Calathea rufibarba

Plant Profile & Key Characteristics

Overview: An evergreen, clump-forming foliage plant reaching about 30-60 cm. Grown as an ornamental for its striking patterned leaves and for air-purifying, indoors as a houseplant or in warm-climate shade.

Quick Specifications

Specification	Attribute
Plant Type / Life Cycle	Perennial (rhizomatous foliage plant)
Foliage Type	Evergreen
Mature Size	30-60 cm tall (12-24 in)
Growth Rate	Slow to Moderate
Root System	Rhizomatous, clump-forming
Toxicity	Non-toxic (pet-safe)
Hardiness	USDA zone 11+ (or indoors)

Growth Form & Structure

• Height & Spread: 30-60 cm (12-24 in), grown in the ground in warm shade or, more commonly, in pots and indoors.
• Growth Habit & Form: Clumping foliage plant that spreads slowly from rhizomes.
• Lifespan & Maturity: Long-lived perennial grown chiefly for its foliage; leaves fold upward at night in the prayer-plant manner.

Anatomy & Physical Features

• Leaves & Foliage: Elongated, wavy-edged elliptic leaves, green above with rich purple undersides and a soft, velvety fuzz on stems and leaf backs.
• Flower Characteristics: Small yellow or orange beehive-like flowers; minor ornamentally.

Primary Uses & Landscape Value

• Functional & Ornamental Roles: Ornamental foliage houseplant for shaded spots, and grown to help purify indoor air.

Care Guide: Planting, Soil & Watering

Overview: These tropical foliage plants thrive in warm, humid, shaded spots (ideally 18-25C) and resent hard water, so rainwater or filtered water is best. Give them a rich, organic, consistently moist but free-draining mix that never dries out completely or turns waterlogged.

Quick Care Requirements

Requirement	Ideal Condition
Planting Season	Year-round under cover; spring to early summer if borderline
Growth Rate	Slow to Moderate
Soil Type	Rich, organic, moisture-retentive yet free-draining
Water Need	Moderate to High – keep evenly moist, never soggy or bone dry

Planting & Establishment

• Best Planting Season: Grown under cover or indoors they can be planted at any time of year; in borderline conditions (around zone 11a) plant in spring to early summer so they establish through the warm season.
• How to Plant:
  • Hole Preparation: Pot into a container about 30-50% larger than the root ball (roughly 10-15 L / 2.6-4 gallons for a mature clump) – an oversized pot holds too much wet soil around the roots.
  • Soil Amendments: Work compost or other organic matter through the mix and add perlite for aeration; a surface mulch keeps the root zone evenly moist.
  • Planting Depth: Set the crown level with the surface of the mix – keep the base of the stems at soil level rather than buried.
• Growth Speed & Expectations: Expect slow to moderate growth; steady warmth, humidity and feeding three to four times a year keep fresh leaves unfurling.

Soil, Watering & Drainage Care

• Soil Mix & Drainage Needs: Use a rich yet free-draining medium – potting mix or peat blended with perlite for aeration and plenty of compost or other organic matter, with mulch over the surface to hold moisture. In pots, let any water that collects in the saucer drain away and the base dry out the same day; standing water rots the roots.
• Watering Schedule & Technique:
  • Young / Newly Planted: Water a newly potted or divided plant thoroughly, then keep the mix evenly moist while roots take hold; warmth and high humidity speed establishment.
  • Established: Keep the soil consistently moist but never soggy – don’t let it dry out and don’t leave it sitting in water. Use rainwater or filtered water, as this genus is sensitive to hard, chlorinated or fluoridated water.
  • Seasonal Adjustments: Ease back in the cooler months when growth slows, and water a little more often during warm, bright spells; raise humidity whenever indoor air turns dry.

Climate, Light & Hardiness

Calathea rufibarba (furry feather calathea) is a tropical foliage plant suited to tropical, mediterranean, and subtropical climates, or grown as a houseplant elsewhere, and it needs full shade with high humidity. It is very frost-sensitive, listed hardy outdoors from about USDA zone 11b upward (11a with attentive care), with an optimal temperature range of about 18–25°C (64–77°F) and a comfortable minimum of roughly 15°C (59°F), though it can survive briefly down to about 10°C (50°F).

Quick Climate Specifications

Climate Zones	Tropical, mediterranean, subtropical (or houseplant)
USDA Hardiness Zones	11b+ (11a with right care)
Optimal Temp Range	Approximately 18–25°C (64–77°F)
Cold Damage Begins	Below approximately 15°C (59°F)
Approx. Survival Minimum	Approximately 10°C (50°F), briefly
Frost Tolerance	Very Low
Light Conditions	Full Shade

Sunlight & Light Exposure

Optimal Light Setup

Needs full, bright shade - no direct sun - to keep its patterned foliage from fading or scorching.

Temperature Extremes & Hardiness

USDA Hardiness & Regional Limits

Outdoor culture is realistic only from about zone 11b upward, or zone 11a with attentive care; elsewhere it is a houseplant year-round. The comfortable indoor/outdoor range is about 18–25°C (64–77°F).

Cold Damage & Winter Protection

Growth and appearance suffer below about 15°C (59°F); keep it well away from cold windows, drafts, and unheated spaces in winter.

Frost Sensitivity

Has essentially no frost tolerance; an established plant may briefly survive down to around 10°C (50°F) but should never be allowed to approach freezing.

Wind, Humidity & Microclimate

Humidity Preferences

Needs consistently high humidity; dry air from heating or air conditioning is a common source of leaf browning.

Dry-Air Tolerance

Poor tolerance of dry air - regular misting or a humidity tray/humidifier is usually necessary indoors.

Microclimate Recommendations

A warm, humid, shaded microclimate away from drafts and heating/cooling vents best supports healthy foliage.

Growing in Pots, Balconies & Indoors

Calathea rufibarba (Calathea rufibarba) is a shade-loving foliage plant of 30-60 cm (12-24 in). The grower confirms it grows well indoors – it is a classic, pet-friendly houseplant that dislikes direct sun.

Quick Details

• Container Size: Start at least 30-50% bigger than the plant; pot size around 10-15 L (2.6-4 gal)
• Indoor Suitability: A genuine, easy houseplant
• Best Spot: Full shade / bright indirect light – never direct sun
• Soil & Drainage: Potting mix or peat with perlite plus humus and organic matter; a mulch to hold moisture
• Watering in Pots: Average to generous – keep evenly moist, never bone dry and never sitting in a puddle

Indoors & On the Windowsill

• A real houseplant: The grower marks it as growing well indoors. Give it bright, indirect light and steady humidity.
• Care: Keep it away from the dry air of heaters and air conditioners, hold the soil moist and humid, and feed at least once a year.

On a Balcony or Patio

• Light & wind: Only in warm, frost-free conditions and always in shade – direct sun and drying wind quickly scorch and curl the leaves. Pots dry fast in a breeze, so watch moisture and humidity.

Choosing the Pot, Soil & Long-Term Care

• Pot & drainage: Good drainage holes; if you use a saucer let the base fill briefly when watering but let it dry the same day.
• Potting mix: Potting mix or peat with perlite, enriched with humus and organic matter, topped with chopped mulch.
• Feeding: Potted plants need feeding more often than those in the ground, since watering steadily leaches nutrients out of the container.

Grower’s Container Tip

• Winter refresh: Every few years renew the soil, best done in winter – wash the old soil off the roots, trim the roots and prune the plant, then repot into fresh mix. This keeps it vigorous and stops it becoming pot-bound.

Growing this plant in a greenhouse

A greenhouse can give calathea rufibarba frost protection, cold protection, humidity control and extra warmth. In the right climate it may also be kept growing through winter, depending on how much warmth and light are provided.

Greenhouse at a glance

Greenhouse suitability	Good - clearly useful
Main benefits	frost protection, cold protection, humidity control, extra warmth
Season extension	earlier spring & later autumn
Outdoor protection advisable below	about 15°C
Maintain greenhouse minimum	around 15°C for active growth
Suitable types	heated greenhouse, polycarbonate greenhouse
Heating	Heating is recommended in cold climates for continuous growth.

Related greenhouse guides

• Greenhouses: How to Choose the Right Greenhouse
• Best Greenhouse Heaters
• Greenhouse Climate Control: Temperature, Ventilation and Humidity
• Polycarbonate Greenhouses: What to Look for Before Buying

Fertilizing & Feeding

A modest, light feeder overall – a diluted balanced feed through the active growing season is enough, with no feeding right after repotting, during the cool-season rest, or during a salt-flushing maintenance pass.

Quick Fertilizing Specs

Feeding Level	Light to moderate – a foliage houseplant with modest feeding needs.
Main Nutrient Priority	A balanced, diluted feed rather than anything nitrogen-heavy or concentrated.
Best Feeding Period	The active warm-season growth period, well after repotting or division.
Organic Options	Diluted fish or seaweed feed for growers who prefer an organic approach.
Micronutrients	Iron and manganese support healthy leaf color in a complete diluted feed.
Soil pH	Prefers a rich, slightly acidic mix rather than an alkaline one.
Reduce/Stop Feeding	No feeding right after repotting or division and none again during the cool-season slowdown; periodic plain-water flushing manages mineral buildup separately from feeding.

Feeding by Growth Stage

Settling in after repotting or division

Give freshly divided or repotted Calathea rufibarba time to reestablish its roots before adding fertilizer.

Nutrient direction	None – hold off on fertilizer until new growth confirms the plant has settled in.
Timing	The weeks immediately following repotting, soil refresh, or division from a parent plant.
Frequency	No feeding at this stage; wait for a flush of new leaves before starting to feed again.
Fertilizer types	No feeding at this stage – let the roots recover in fresh soil before introducing fertilizer.
Precautions	Do not fertilize right after repotting or dividing; disturbed roots are easily burned by fertilizer salts before they’ve recovered.

Active growing season

Support this plant’s velvety foliage and steady leaf production through its main growth period.

Nutrient direction	A balanced, nitrogen-adequate feed at reduced strength, favoring the plant’s lush foliage without overfeeding a relatively light-feeding houseplant.
Timing	The warmer months when the plant is actively producing new leaves.
Frequency	Several light, well-spaced feedings through the active growing season are enough to support steady foliage growth.
Fertilizer types	A balanced, diluted houseplant fertilizer applied at reduced strength., Organic options such as diluted fish or seaweed feed for growers who prefer them.
Routine trace nutrients	iron, manganese
Precautions	This plant is sensitive to mineral-heavy tap water and fertilizer salts alike – use rain or purified water where possible and keep feeding on the light side.

Periodic salt flushing

Prevent the mineral and fertilizer-residue buildup this hard-water-sensitive plant is prone to.

Nutrient direction	None – this is a maintenance step, not a feeding.
Timing	Periodically through the growing season, alongside or between regular feedings.
Frequency	No feeding at this stage; instead flush the soil through with plain water occasionally to carry excess minerals out of the pot.
Fertilizer types	No feeding at this stage – this step is a plain-water flush, not fertilizer.
Precautions	Do not add fertilizer during a flush; the goal is to remove built-up minerals, not add more.

Cool or low-light rest

Let the plant rest through the part of the year when light, warmth, and growth are all reduced.

Nutrient direction	None – withhold fertilizer while growth is minimal.
Timing	The cooler, shorter-day months, or whenever the plant is not visibly producing new leaves.
Frequency	No feeding at this stage; resume light feeding once new leaf growth clearly resumes.
Fertilizer types	No feeding at this stage – growth is too slow to make use of it.
Precautions	Do not fertilize during this slowdown, since unused nutrients simply build up as salts around the roots.

Nutrient Deficiency Signs & Corrections

Leaf edges and tips turn brown, crispy, or scorched-looking.

Possible causes	Mineral or fluoride buildup from hard tap water, to which this species is notably sensitive., Low humidity drying out leaf margins., Fertilizer salt buildup from feeding that is too frequent or too strong.
Appears first on	Edges and tips of the older, outer leaves first.
What to check	Water source and whether tap water is hard or fluoridated., Feeding frequency and strength relative to label directions., Ambient humidity around the plant.
Possible correction	Switch to rain, distilled, or purified water, dilute any fertilizer well, and flush the pot with plain water occasionally to clear accumulated minerals.

The leaf coloring and pattern look washed out or faded compared to a healthy specimen.

Possible causes	Too much direct light bleaching color from leaves adapted to shade., A prolonged nutrient shortfall from infrequent feeding., Natural aging on older leaves.
Appears first on	Whole leaves, often more visible on leaves facing the light source.
What to check	Light intensity and whether the plant gets any direct sun., How long since the plant was last fed., Whether only older leaves are affected, which points to normal aging.
Possible correction	Move the plant out of any direct sun back into bright indirect or full shade conditions, and resume a light, diluted balanced feed if it has lapsed.

Leaves curl or roll inward and stay that way rather than the plant’s normal day-night leaf movement.

Possible causes	Low humidity or dry air, often from nearby heating or cooling equipment., Underwatering or letting the soil dry out too much between waterings., Root stress from a nutrient or salt imbalance in the soil.
Appears first on	Newer leaves and leaf margins first.
What to check	Proximity to heating or air-conditioning vents., Watering consistency and whether the soil is allowed to dry out fully., Whether a salt flush is overdue.
Possible correction	Raise humidity, keep watering consistent, and flush the pot with plain water if a mineral buildup is suspected.

Pruning, Training & Seasonal Maintenance

Calathea rufibarba (Furry Feather Calathea) tolerates almost no pruning beyond removing dead or damaged leaves – it is grown purely for its velvety foliage, has no woody or structural framework, and does not respond to cutting back the way a shrub does. The recurring task, which can happen any time of year, is trimming leaves that yellow or brown, which this species is prone to when water quality or humidity isn’t ideal (it is noted as sensitive to hard water).

Quick Pruning & Maintenance Specs

Pruning Tolerance	Low
Primary Pruning Window	Any time – sanitary leaf removal only, not seasonal
Typical Frequency	As leaves yellow, brown, or are damaged
Main Objective	Remove declining foliage; keep the plant looking clean
Mature Plant Priority	Routine removal of yellowing/browning leaves at the base; root trimming only at repotting
Best Tool Type	Precision snips
Avoid Heavy Pruning During	Right after transplant/repot stress

Pruning by Plant Age & Size

Newly Established

No pruning while the plant settles in after planting or transplant.

Young / Formative

No structural training applies – this is a low, clumping foliage plant. Remove only leaves damaged during transplant.

Mature / Established

Routine removal of yellowing, browning, or damaged leaves at the base. At repotting time (every few years, per this plant’s own care guidance), some root trimming happens alongside a light foliage tidy, but this is a repotting task, not a seasonal pruning one.

Special Growth to Remove

Dead, yellowing, or browning leaves, cut at the base of the petiole rather than mid-leaf. This species’ own facts note it is sensitive to hard water, and leaf browning is often a water-quality or humidity symptom rather than simple aging – worth checking before assuming a leaf needs removing.

Container & Small-Space Pruning

As an indoor container plant, the main size-related task is at repotting: switching to fresh potting mix every few years, trimming some roots, and pairing that with removal of any tired foliage – not routine canopy pruning. Dividing an overcrowded clump at repotting is a propagation task rather than pruning.

Tools

Precision snips only – this plant’s soft petioles need clean, small cuts, not secateurs or anything heavier.

Tool Hygiene & Disease Risk

Routine: clean tools are sufficient. The pests noted (aphids, spider mites) are not tool-transmitted.

Cut Placement & Technique

Cut a yellowing or damaged leaf at the base of its petiole, close to the soil line, rather than partway up the leaf, which leaves an unsightly stub.

Heavy Pruning & Rejuvenation

Not applicable. This species does not respond to hard cutback the way woody plants do – an overgrown or leggy clump is refreshed by division at repotting, not by pruning.

Post-Pruning Care

After removing damaged leaves, check whether water quality (hard water) or low humidity is the underlying cause of browning rather than treating it as a one-off pruning task. Avoid overwatering the area right after a leaf is removed.

Common Pruning Mistakes

Removing healthy leaves for appearance’s sake before they’ve actually declined; blaming pruning technique for browning that is really caused by hard water or dry air; cutting mid-leaf instead of at the base of the petiole, leaving a ragged stub.

When NOT to Prune

Avoid stripping leaves right after transplant or repot stress. Avoid over-thinning healthy foliage – this plant relies on its leaf mass for energy and has no woody reserves to fall back on.

Recommended Tools (by task)

• precision_snips – the only tool this plant needs, for clean removal of individual damaged or spent leaves.

Propagation Guide

Calathea rufibarba is best propagated by dividing rooted daughter plants from the clump, which the site notes is easier and more dependable than starting from seed. Vegetative division is not strictly necessary but is the practical route most growers use, and it reproduces the plant’s leaf coloring exactly; overall this is an easy plant to propagate by division.

Quick Propagation Specs

Best Propagation Method	Division of daughter plants
Alternative Methods	Seed
Propagation Difficulty	Easy
Vegetative True-to-Type	Yes
Best Propagation Season	Any time indoors; in hardiness zone 11a, spring to early summer is best

Growing from Seed

Seed is listed as a possible starting method, but the site gives no sowing specifics for it, and division of daughter plants is described as the easier route in practice. Seed propagation of this genus in cultivation is uncommon compared with division, so most growers rely on offsets rather than seed.

Division, Offsets, Pups & Suckers

When dividing, excavate carefully around the whole clump and lift it with all of its roots intact — loosening the soil with an air blower or a gentle stream of water works better than pulling, since it protects the root system. Once the roots are exposed, separate a daughter plant from the mother and, ideally, leave it in place until it can support itself independently before lifting it out and potting it on its own. Simply pulling a division straight out of the soil without this careful root exposure also works, but gives a lower success rate. Pot the separated division promptly into a moist, humus-rich mix and keep humidity elevated while it re-establishes.

Bloom & Flower Guide

Quick Details

• Bloom Season: Potentially much of the year in ideal conditions, though flowering is uncommon indoors
• Time to First Bloom: Only mature, thriving plants bloom; most houseplants are grown for foliage and rarely flower
• Flower Appearance: Small yellow to orange flowers packed into a cone-like head with overlapping bracts, held on a short stem
• Edibility: Grown as a foliage ornamental; the flowers are not eaten (the plant is non-toxic and pet-safe)

Detailed Blooming Overview

Calathea rufibarba, the velvet calathea, is grown for its slender, wavy-edged leaves with their soft, furry undersides — flowering is very much a bonus and rarely seen on indoor plants. When a mature, well-settled plant does bloom, it produces short-stemmed, cone-like flower heads: overlapping bracts arranged rather like a small beehive, from which the true little flowers peep, their petals fused at the base.

Flower Characteristics

• Small yellow to orange flowers emerging from a cone of overlapping bracts.
• The petals merge at the base, and the whole head sits low on a short stem.
• Modest and easily overlooked beside the plant's striking foliage.

Bloom Care & Thinning

• Grown for leaves: Treat any bloom as a happy surprise — steady warmth, high humidity and even moisture are what keep the plant thriving.
• Water quality: Calatheas dislike hard or chlorinated water; rainwater or filtered water keeps the foliage (and any flowers) in good condition.
• After flowering: Snip off the spent flower head to keep the plant tidy.

Pests, Diseases & Troubleshooting

Overview: Calatheas (now largely reclassified as Goeppertia) are humidity-loving foliage plants whose thin, showy leaves are magnets for spider mites in dry indoor air and are extremely sensitive to water quality and low humidity. Most ‘problems’ are actually cultural – crispy edges and browning from dry air, salts or fluoride – with sap-suckers and root rot the main biological threats.

Quick Troubleshooting Overview

Issue / Pest	Main Symptom	Primary Solution
Spider mites	Fine stippling, webbing, dull bronzed leaves	Raise humidity, wipe/hose, oil/soap
Mealybugs	White cottony tufts in axils and undersides	Alcohol swab, soap/oil
Thrips	Silvery streaks and speckling, deformed leaves	Sticky traps, insecticidal soap/spinosad
Aphids & scale	Sticky honeydew, bumps or clusters	Wipe, soap/oil
Root rot	Yellowing, mushy stems, wilting in wet mix	Ease watering, drain well, repot
Leaf-edge browning	Crispy brown margins and tips	Humidity, filtered water, even moisture

Common Pests & Management

• Spider mites (Tetranychus urticae):
  • Symptoms: The number-one Calathea pest: fine pale stippling, a dull, dusty, bronzed look, and delicate webbing on leaf undersides and between the leaf and stem – thriving in the warm, dry air of heated rooms.
  • Prevention & Control: Raise humidity (the single best defence), wipe or shower both leaf surfaces regularly, and isolate affected plants. Treat with insecticidal soap or a light horticultural/neem oil on undersides, repeating every 5–7 days until clear.
• Mealybugs (Pseudococcus / Planococcus spp.):
  • Symptoms: White cottony tufts tucked into leaf axils, along veins on the undersides, and around the roots, with sticky honeydew and stalled growth.
  • Prevention & Control: Dab colonies with a cotton bud dipped in rubbing alcohol, wash the foliage, and treat with insecticidal soap or oil; check the roots at repotting and quarantine new plants.
• Thrips (Frankliniella / Thrips spp.):
  • Symptoms: Silvery streaking and fine speckling on leaves, deformed or scarred new growth, and dark frass specks; thrips can also spread viruses.
  • Prevention & Control: Monitor with blue or yellow sticky traps, remove badly affected leaves, and treat with insecticidal soap or spinosad, repeating to catch successive generations.
• Aphids & scale (occasional):
  • Symptoms: Aphids cluster on new growth with honeydew; scale appear as small brown limpet-like bumps on undersides and stems, also with honeydew and sooty mould.
  • Prevention & Control: Wipe off, rinse, and treat with insecticidal soap or horticultural oil; scrape or dab scale with alcohol and repeat oil sprays to catch crawlers.
• Fungus gnats (Bradysia spp.):
  • Symptoms: Small black flies around the pot; their larvae feed on roots and organic matter in constantly wet potting mix, weakening young plants.
  • Prevention & Control: Let the top of the mix dry between waterings, use yellow sticky traps, and drench with Bti (Bacillus thuringiensis subsp. israelensis) if larvae persist; avoid keeping the mix waterlogged.

Diseases & Fungal Issues

• Root & stem rot (Pythium / Rhizoctonia / Fusarium):
  • Symptoms: Yellowing lower leaves, soft mushy stem bases, wilting despite wet soil, and dark, decaying roots – from overwatering, a soggy heavy mix, or cold-wet conditions.
  • Treatment & Management: Water only when the top of the mix is approaching dry, use a light, free-draining but moisture-retentive mix, and ensure the pot drains freely. Remove rotted roots, cut back to healthy tissue, and repot into fresh mix; keep warm.
• Fungal & bacterial leaf spot (Helminthosporium/Drechslera, Pseudomonas):
  • Symptoms: Brown or tan spots, sometimes water-soaked with yellow halos (bacterial) or ringed (fungal), spreading in warm, humid, wet-foliage conditions.
  • Treatment & Management: Keep water off the leaves, improve airflow, and remove affected leaves. Avoid overhead misting late in the day; copper sprays help persistent cases, and bacterial spot especially demands dry foliage.
• Cucumber mosaic virus (occasional):
  • Symptoms: Mosaic mottling, ring patterns and leaf distortion that do not wash off, spread by aphids.
  • Treatment & Management: There is no cure – remove and destroy affected plants, control aphid vectors, and propagate only from clean stock.

Growing Difficulties & Abiotic Problems

• Leaf-edge & tip browning (dry air, salts, fluoride):
  • Cause & Symptoms: Crispy brown margins and tips – the classic Calathea complaint – from low humidity, fertiliser-salt build-up, or fluoridated/chlorinated/hard tap water, to which the genus is unusually sensitive.
  • Correction Strategy: Keep humidity high (50–60%+), water with rain, distilled or filtered water, feed weakly and flush the mix periodically, and keep moisture even; avoid letting the plant dry out or sit soggy.
• Low-humidity / underwatering stress:
  • Cause & Symptoms: Curling, rolling leaves that fail to open flat, faded colour, and general sulking in dry air.
  • Correction Strategy: Group plants, use a humidity tray or humidifier, keep out of heating and draughts, and water consistently so the mix stays lightly moist.
• Light stress – scorch or fading:
  • Cause & Symptoms: Bleached, scorched patches and washed-out markings in direct sun; leggy, dull, poorly-patterned growth in deep shade.
  • Correction Strategy: Give bright, indirect light; the vivid patterning is best in good filtered light but burns in direct sun. Turn plants for even growth.
• Cold damage:
  • Cause & Symptoms: Yellowing, limp or blackened leaves and stalled growth below about 15°C.
  • Correction Strategy: Keep warm (ideally 18–24°C), away from cold windows and draughts; these are tropical plants intolerant of chills.

What Helps – Products & Tools

For Calatheas the key ‘tools’ are a humidifier or humidity tray and filtered/rain water to prevent the edge-browning that plagues them, plus insecticidal soap and horticultural/neem oil for spider mites, mealybugs, scale and aphids, blue/yellow sticky traps and Bti for thrips and fungus gnats, and a light, free-draining mix with careful watering to avoid root rot. Copper fungicide covers leaf spots if they appear.