Plant Profile & Key Characteristics
Overview: A deciduous spring-flowering bulb 10–30 cm tall, grown as an ornamental and cut flower. It needs a dry summer dormancy and cold winter; bulbs can be lifted and chilled.
Quick Specifications
| Specification | Attribute |
|---|---|
| Plant Type / Life Cycle | Perennial (deciduous geophyte) |
| Foliage Type | Deciduous |
| Mature Size | 10–30 cm H (4–12 in) |
| Growth Rate | Moderate |
| Root System | Bulbous geophyte |
| Toxicity | Toxic if eaten — bulbs contain tulipalin; handling can irritate skin |
| Hardiness | USDA zones 3–11 |
Growth Form & Structure
- Height & Spread: Upright stems 10–30 cm tall from a single bulb; grows well in planters and containers.
- Growth Habit & Form: Upright, single-stemmed bulb with basal leaves; needs a dry summer dormancy and cold winter.
- Lifespan & Maturity: Perennial bulb; increases by offset bulbs and is best lifted and stored dry over summer.
Anatomy & Physical Features
- Leaves & Foliage: Green, lance-shaped leaves rising from the bulb.
- Flower Characteristics: Flowers in red, pink, black, purple, orange, white, yellow or multicolour, opening from a drop-shaped bud (full detail in the Bloom accordion).
Primary Uses & Landscape Value
- Functional & Ornamental Roles: Ornamental spring bedding, border and container bulb, and cut flower.
Care Guide: Planting, Soil & Watering
Overview: The garden tulip is a hardy autumn-planted bulb that needs a cold winter to trigger its spring bloom and sharp drainage year-round. It grows best in sandy, free-draining soil in full sun to light shade, staying dry through its summer dormancy.
Quick Care Requirements
| Requirement | Ideal Condition |
|---|---|
| Planting Season | Autumn |
| Growth Rate | Moderate |
| Soil Type | Sandy, well-draining |
| Water Need | Low to Moderate; moist in growth, dry in summer dormancy |
Planting & Establishment
- Best Planting Season: Plant the bulbs in autumn so they receive their winter chilling; in the coldest zones (3-11) plant in spring instead. Where winters are mild, pre-chill the bulbs in a fridge above 5 C before planting.
- How to Plant:
- Hole Preparation: Dig a hole about two to three times the height of the bulb, in soil that drains freely.
- Soil Amendments: On heavy ground, mix in sand or grit so the bulb never sits in wet soil.
- Planting Depth: Set the bulb pointed-end up, roughly two to three times its own height deep.
- Growth Speed & Expectations: A moderate grower reaching about 10-30 cm (4-12 in), with foliage emerging first and flowers following in spring.
Soil, Watering & Drainage Care
- Soil Mix & Drainage Needs: Keep it in sandy, free-draining soil and avoid wet ground, which rots the bulb; container growing works well with a gritty mix and open drainage.
- Watering Schedule & Technique:
- Young / Newly Planted: Water in after autumn planting to settle the soil, then let winter rain do the work.
- Established: Keep lightly moist during active growth and flowering, never waterlogged.
- Seasonal Adjustments: Withhold water through the summer dormancy; the bulb can be lifted and stored dry, and given a cold spell before replanting.
Climate, Light & Hardiness
Garden Tulip is a cold-hardy, deciduous spring bulb that performs best in temperate to Mediterranean climates with cool, moist springs and warm, dry summers. It wants full sun to light shade and needs a sufficiently cold winter, or an artificial chilling period, to flower reliably.
Quick Climate Specifications
| Climate Zones | Mediterranean, Subtropics, Temperate |
|---|---|
| USDA Hardiness Zones | 3–11 |
| Frost Tolerance | High (dormant bulb) |
| Light Conditions | Full Sun to Half Shade |
Sunlight & Light Exposure
Optimal Light Setup
Full sun gives the sturdiest stems and strongest flower color; light or dappled shade is tolerated, particularly in the warmer parts of its range.
Direct Sun Requirement
Several hours of direct sun during the growing and bloom season support strong stems and good color; deep shade weakens flowering.
Shade & Heat Management
In hot-summer or desert-adjacent parts of its range, light afternoon shade during bloom can ease heat stress, though the foliage naturally dies back as heat rises regardless of exposure.
Best Exposure/Orientation
Open beds or south-facing borders suit cooler zones best; avoid consistently shaded positions.
Temperature Extremes & Hardiness
USDA Hardiness & Regional Limits
The dormant bulb is extremely cold-hardy, surviving zone 3 winters underground, while the mild end of the range (zone 10–11) is only reliably workable by artificially chilling bulbs before planting, since these climates don't get cold enough naturally.
Cold Damage & Winter Protection
Once growth begins in spring, foliage and flowers can be damaged by a hard late frost, even though the same plant's dormant bulb shrugs off deep winter cold underground.
Frost Sensitivity
Emerging foliage, buds, and open flowers are frost-sensitive in spring; the dormant, unplanted or buried bulb is not.
Extreme Heat Tolerance
Dislikes hot, wet summer soil; the site's own overview specifically recommends lifting bulbs out of the ground for a dry summer rather than leaving them in hot, moist conditions.
Chilling Requirement
The site's care notes call for a cold period (bulbs chilled at about 5°C/41°F or slightly above) before planting. This is essential for reliable flowering, and becomes especially important toward the mild end of the zone range (roughly zone 8 and warmer), where winters don't provide enough natural chill on their own.
Wind, Humidity & Microclimate
Humidity Preferences
Prefers relatively dry conditions during summer bulb dormancy, matching the site's explicit "dry summer" guidance.
Dry-Air Tolerance
Tolerates dry air well; it is excess soil moisture in warm weather, not low humidity, that threatens the bulb.
Rainfall & Seasonal Moisture
Cool, moist conditions in autumn through spring support root and shoot growth, while a dry summer dormancy mirrors the winter-wet, summer-dry rainfall pattern of its native Mediterranean-type climate.
Microclimate Recommendations
Well-drained, sandy soil (as noted on site) helps prevent bulb rot during wetter periods; in regions with hot, humid summers, lifting and dry-storing bulbs reproduces the dry dormancy the species needs.
Growing in Pots, Balconies & Indoors
Tulips are outdoor spring bulbs, not true houseplants – the grower rates them a No indoors – but they grow beautifully in pots and troughs on a sunny balcony or patio, and forced bulbs can be brought to flower on a bright, cool windowsill.
Quick Details
- Container Size: A pot deep enough for the bulbs (several times their height), comfortably wider than the planting
- Indoor Suitability: Not a houseplant; forced bulbs flower briefly on a bright, cool sill
- Best Spot: Full sun to half shade
- Soil & Drainage: Free-draining potting mix; bulbs rot in wet soil
- Watering in Pots: Small to average – moist in growth, drier once foliage dies back
Indoors & On the Windowsill
- Not a houseplant: The grower rates them a No indoors – tulips need a cold winter dormancy and strong light, so they cannot live as permanent room plants.
- Windowsill growing: Pre-chilled (forced) bulbs can be flowered on a bright, cool sill for a short indoor display, then are best planted out.
- Overwintering: Potted bulbs need a cold spell to flower; leave the pots in a cold, sheltered spot over winter.
- Safety: Tulip bulbs are toxic if eaten – keep bulbs away from pets and children.
On a Balcony or Patio
- Light & wind: A sunny balcony or patio suits them; keep the pots cool and moist through growth and shelter tall stems from strong wind.
- Practicalities: Layer several bulbs in a deep pot for a full display; after flowering, let the leaves die down before storing or replanting the bulbs.
Choosing the Pot, Soil & Long-Term Care
- Pot & drainage: A deep pot with strong drainage holes; skip a standing-water saucer so the bulbs do not rot.
- Potting mix: Free-draining potting mix – add grit if it holds water.
- Feeding: Potted plants exhaust their mix faster than those in open ground – nutrients leach away with each watering – so feed lightly through the active growing season. A light feed after flowering helps the bulb build up, though many gardeners treat potted tulips as annual.
- Repotting: Lift and store the bulbs once foliage dies back, or refresh the pot with new bulbs each year.
Fertilizing & Feeding
A light feeder overall: modest balanced feeding while leaves and flowers are actively growing is enough, with no feeding needed once the plant dies back for its dry summer rest.
Quick Fertilizing Specs
| Feeding Level | Light feeder |
|---|---|
| Main Nutrient Priority | Balanced feeding while leaves are actively growing, to help rebuild the bulb for next year |
| Best Feeding Period | From planting through the active leaf-growth and bloom period |
| Organic Options | Compost or well-rotted organic matter worked into the planting bed |
| Reduce/Stop Feeding | Feeding stops once the foliage yellows and dies back for the dry summer rest |
| Micronutrients | Usually adequate from a complete bulb fertilizer; correct only diagnosed issues |
| Soil pH | Tolerates a wide range, but prefers well-drained, sandy soil |
Feeding by Growth Stage
Planting and root establishment
Support root development as the bulb settles into the soil ahead of winter growth.
| Nutrient direction | A balanced, bulb-formulated fertilizer worked into the planting hole or bed to encourage strong root development. |
|---|---|
| Timing | At planting time in autumn. |
| Frequency | A light, balanced feeding worked into the soil at planting time. |
| Fertilizer types | A balanced, bulb-formulated fertilizer, Compost or well-rotted organic matter |
| Precautions | Avoid piling fresh fertilizer directly against the bulb, which can burn root tissue. |
Leaf growth and bloom
Fuel leaf growth and flowering while helping the bulb rebuild reserves for next season.
| Nutrient direction | A balanced feeding as leaves emerge, shifting toward extra potassium support as flowering approaches to strengthen the bulb. |
|---|---|
| Timing | From leaf emergence through the winter-to-spring bloom period. |
| Frequency | Light feeding during active leaf growth, tapering off once flowering finishes. |
| Fertilizer types | A balanced complete fertilizer, A potassium-forward bloom fertilizer as buds form |
| Precautions | Ease off feeding as soon as flowers fade and foliage begins to yellow, since the plant is winding down for its rest period. |
Post-bloom dieback and dry summer rest
Let the bulb go fully dormant through its dry summer rest without pushing new growth.
| Nutrient direction | None – withhold fertilizer while the foliage dies back and the bulb rests. |
|---|---|
| Timing | After bloom, as the foliage yellows and dies back into the dry summer dormancy. |
| Frequency | No feeding at this stage; feeding resumes only when new growth appears next planting cycle. |
| Fertilizer types | No feeding at this stage; the dormant bulb needs no fertilizer during its dry summer rest. |
| Precautions | Do not fertilize a dormant bulb; it cannot use the nutrients and unused salts can accumulate in the soil. |
Nutrient Deficiency Signs & Corrections
Leaves emerge pale yellow-green and overall growth looks weak and stunted.
| Possible causes | low soil nitrogen, poor root establishment from cold or waterlogged soil, thin, low-organic-matter soil |
|---|---|
| Appears first on | the youngest emerging leaves |
| What to check | planting depth and root establishment, soil organic matter, drainage and recent rainfall |
| Possible correction | Apply a balanced or nitrogen-containing bulb fertilizer at emergence and improve soil organic matter. |
Weak flower stems, smaller blooms, and undersized daughter bulbs at season’s end.
| Possible causes | low soil potassium, leaching from sandy, fast-draining soil, heavy nitrogen feeding relative to potassium |
|---|---|
| Appears first on | flower stems and the developing bulb |
| What to check | soil texture and drainage, recent fertilizer balance, bulb size at lifting or dieback |
| Possible correction | Shift toward a potassium-forward feeding as buds form to support bloom and bulb rebuilding. |
Interveinal yellowing on young leaves while the veins stay green.
| Possible causes | high soil pH limiting iron availability, waterlogged or compacted soil, root stress from poor drainage |
|---|---|
| Appears first on | young, actively growing leaves |
| What to check | soil pH and drainage, recent watering, overall root health |
| Possible correction | Correct drainage and soil conditions first; apply a chelated iron product per its label if chlorosis persists. |
Pruning, Training & Seasonal Maintenance
Garden tulip is a deciduous bulb, and “pruning” here is really about managing the single annual foliage cycle correctly: deadhead the spent flower stem right after bloom so the plant does not waste energy on seed, but leave the strap-like leaves in place while they are green, since they are recharging the bulb for next year. Only once the foliage has yellowed and died back on its own – by summer, matching this species’ natural dry-summer dormancy – is it cut away entirely, often as part of lifting and storing the bulbs.
Quick Pruning & Maintenance Specs
| Pruning Tolerance | Low while green; high once foliage has died back |
| Primary Pruning Window | Summer, once leaves have fully yellowed and died back |
| Secondary Maintenance Window | Immediately after flowering, for deadheading spent blooms only |
| Typical Frequency | Once per year, at the end of the foliage cycle |
| Main Objective | Prevent seed formation after bloom; clear away foliage only once it has finished feeding the bulb |
| Best Tool Type | Precision snips or bypass secateurs for the flower stem and, later, the dried leaves |
| Avoid Heavy Pruning During | While leaves are still green, from bloom through late spring |
Pruning by Plant Age & Size
Newly Established
After autumn planting, let the first season’s foliage run its full course without cutting, since a newly planted bulb most needs to build reserves.
Mature / Established
Each year, deadhead the flower stem after bloom and remove the full set of leaves only once they have yellowed and died back in summer, matching this species’ natural dry-summer rest.
Special Growth to Remove
- Spent flower stems – cut back right after the bloom fades, before seed pods can form.
- Fully yellowed, dead foliage – remove in summer once it has completely died back, not while still green.
Container & Small-Space Pruning
This species is not grown as an indoor houseplant but does well in outdoor containers; the same rule applies – deadhead after bloom and wait for full foliage dieback before clearing the pot, since container-grown bulbs have a smaller soil reserve and rely just as much on their leaves to recharge for next year. In warm climates without enough winter chill, bulbs are often lifted after the foliage dies back and given a cold period (about 5°C/41°F or above) before replanting.
Tools
- Precision snips for deadheading the flower stem.
- Bypass secateurs or snips for clearing dried foliage once it has fully died back.
Tool Hygiene & Disease Risk
Routine care is sufficient – clean, sharp tools. No specific cut-borne disease risk is noted for this species; slugs and snails are the main pest to watch for on foliage and flowers.
Cut Placement & Technique
Deadhead by cutting the flower stem just below the spent bloom, leaving the leaves untouched. When clearing dead foliage in summer, cut or pull the fully dried leaves near the base.
Post-Pruning Care
After deadheading, continue normal watering while leaves are still green and photosynthesizing. Once foliage is fully removed in summer, hold off watering to match the bulb’s natural dry-summer dormancy; no fertilizing is needed at that point.
Common Pruning Mistakes
- Cutting or braiding down green leaves right after flowering for tidiness – this is the single most common tulip mistake and starves the bulb, reducing or preventing bloom the following year.
- Leaving spent flowers to set seed instead of deadheading, diverting energy from the bulb.
- Removing foliage before it has fully yellowed rather than waiting for natural dieback.
When NOT to Prune
Never cut back green leaves, even if they look untidy after flowering – wait until they have fully yellowed and died back on their own in summer before removing them.
Recommended Tools (by task)
- precision_snips – clean deadheading of the spent flower stem right after bloom.
- bypass_secateurs – clearing the fully dried foliage once the summer dieback is complete.
Propagation Guide
Garden Tulip is propagated almost exclusively by dividing the small offset bulbs that form beside the mother bulb each year, since named tulip varieties are hybrids and their seed will not reproduce the same flower true-to-type. Division is easy and reliable, while raising tulips from seed is a slow, specialist route mainly suited to species types or breeding rather than maintaining a particular variety.
Quick Propagation Specs
| Best Propagation Method | Bulb offset division |
| Alternative Methods | Seed (mainly for species tulips) |
| Propagation Difficulty | Easy (division); Specialist (seed) |
| Seed True-to-Type | Hybrid offspring vary; species tulips more consistent |
| Vegetative True-to-Type | Yes |
| Best Propagation Season | Bulbs lifted and divided after foliage dies back in the dry summer period; replanted in autumn |
| Seed Germination Time | Often slow and irregular, sometimes not appearing until the following growing season |
| Germination Temperature | Benefits from a cool period, roughly 4–10°C (39–50°F), before germinating |
| Seed Sowing Depth | Shallow, just covering the seed |
Growing from Seed
Seed Handling & Viability
Seed forms in papery capsules after flowering, mainly on species-type tulips; it germinates best when reasonably fresh.
Dormancy & Pre-Sowing Treatment
Like the bulbs themselves, seed generally needs a cool period to break dormancy before it will germinate.
Sowing Season
Autumn, echoing the plant’s own autumn planting season, so seed experiences a natural winter chill.
Sowing Depth & Orientation
Sow shallowly, just covering the seed.
Germination Conditions
Cool, consistently moist, well-drained conditions; germination can be slow and uneven.
Germination Time
Often delayed, sometimes not appearing until the following season.
Seedling Care
Seedlings form tiny bulbs that are grown on undisturbed for several seasons; because seed-raised bulbs take considerably longer to reach flowering size than offsets, and hybrid seed will not reproduce a named variety’s exact color or form, seed is mainly used for species tulips or breeding rather than for maintaining a particular cultivar.
Rhizomes, Tubers, Bulbs & Corms
Bulb (Offset) Division
The reliable way to increase a named tulip variety true-to-type. Once flowering is over, the foliage is left to die back naturally over the dry summer period the plant’s own care notes describe (this is also when all the leaves are removed, per the plant’s summer pruning); at that point the bulbs can be lifted and the small offset bulbs clustered around the mother bulb separated by hand. Larger offsets can be replanted directly in autumn, while very small offsets may need an extra season or two in a nursery bed before they reach flowering size. Lifted bulbs should be kept dry over summer and given a cold period before replanting — refrigeration around 5°C (41°F) can be used where winters are not cold enough, matching the plant’s own recommended dry-summer, cold-winter handling — then replanted in autumn.
Bloom & Flower Guide
Quick Details
- Bloom Season: Late winter into spring
- Time to First Bloom: The season after a mature bulb is planted
- Flower Appearance: A single upright cup that starts as a teardrop bud and opens wide; colours include red, pink, near-black, purple, orange, white, yellow or multicolour
- Edibility: Not edible – the plant, especially the bulb, is toxic and the sap can irritate skin
Detailed Blooming Overview
The garden tulip (Tulipa) is the classic bulb of late winter and spring. Each mature bulb sends up a single stem topped by a goblet-shaped flower that begins as a tight teardrop bud and opens out in the sun. The colour range is enormous, from soft pastels to near-black and bright bicolours. After flowering the leaves feed the bulb for the following year before dying down.
Flower Characteristics
- One upright cup-shaped flower per stem.
- Opens from a teardrop bud and spreads wide in bright light, closing in cool or dull weather.
- Huge colour range – reds, pinks, purples, oranges, whites, yellows and multicolours.
Bloom Care & Thinning
- Encouraging bloom: Bulbs need a cold winter period to flower well; plant in autumn where winters are mild enough or pre-chill first.
- After flowering: Deadhead spent flowers but let the foliage yellow naturally so the bulb rebuilds for next year.
- Safety while handling: Bulbs are poisonous and their sap can irritate skin – wear gloves if sensitive and keep bulbs away from pets.
Pests, Diseases & Troubleshooting
Overview: Tulips are spring-flowering bulbs whose signature problems are the fungal disease tulip fire (Botrytis tulipae) and bulb rots in wet soil, alongside bulb-digging rodents and the tulip bulb aphid that hides in stored bulbs. Above ground slugs, aphids and the streaking of tulip breaking virus are the main callers. The whole management philosophy is dry, well-drained soil, clean bulbs, crop rotation and good airflow.
Quick Troubleshooting Overview
| Issue / Pest | Main Symptom | Primary Solution |
|---|---|---|
| Tulip fire (Botrytis) | Scorched, spotted, twisted shoots and flowers | Rotate, remove infected plants, airflow, fungicide |
| Tulip bulb aphid | Colonies on stored/sprouting bulbs | Inspect bulbs, brush off, insecticidal soap |
| Slugs & snails | Grazed shoots and flowers | Handpick, grit barriers, iron-phosphate bait |
| Rodents / squirrels | Dug-up, eaten bulbs | Wire baskets, gravel, deterrents |
| Basal rot | Bulbs fail to sprout, soft and mouldy | Plant firm bulbs, sharp drainage, no summer wet |
| Tulip breaking virus | Streaked, broken flower colour | Remove plants, control aphids |
Common Pests & Management
- Tulip bulb aphid (Dysaphis tulipae):
- Symptoms: Grey-green aphid colonies clustered under the papery tunic of stored bulbs and on emerging shoots, weakening growth and spreading tulip breaking virus.
- Prevention & Control: Inspect bulbs at planting and rub off colonies, store bulbs cool and airy, encourage lady beetles and lacewings on growing plants, and use insecticidal soap or neem on infested shoots.
- Slugs and snails (Gastropoda):
- Symptoms: Grazed, ragged emerging shoots, holed leaves and chewed flowers with slime trails in damp spring weather.
- Prevention & Control: Handpick at night, clear debris and hiding places, use grit or copper barriers around plantings, and apply pet-safe iron-phosphate bait where shoots are being damaged.
- Bulb mites (Rhizoglyphus spp.):
- Symptoms: Tiny pale mites infesting already damaged, diseased or rotting bulbs in storage or wet soil, accelerating breakdown.
- Prevention & Control: Plant only firm, undamaged bulbs, store them cool and dry, discard soft or injured bulbs, and keep growing soil free-draining so healthy bulbs are not invaded.
- Rodents and squirrels (Rodentia):
- Symptoms: Newly planted bulbs dug up and eaten, disturbed soil, and clumps that fail to emerge in spring – tulips are a favourite target.
- Prevention & Control: Plant bulbs inside wire mesh baskets, cover beds with chicken wire until growth starts, add sharp gravel around bulbs, and use humane deterrents; deep, firm planting also helps.
- Aphids on foliage and flowers (Aphidoidea):
- Symptoms: Green aphids on stems, buds and flowers causing honeydew, distortion and virus spread.
- Prevention & Control: Wash off with water, encourage natural enemies, remove badly virused plants, and use insecticidal soap or neem for persistent colonies.
Diseases & Fungal Issues
- Tulip fire (Botrytis tulipae):
- Symptoms: The signature tulip disease: distorted, scorched-looking emerging shoots, brown spots with grey mould on leaves and petals, twisted growth and rotting buds, spreading fast in cool wet springs. Bulbs may carry black sclerotia.
- Treatment & Management: Remove and destroy infected plants immediately, never replant tulips in the same soil for at least three years, space for airflow, avoid overhead watering, discard bulbs with black sclerotia, and apply a protectant fungicide in high-value plantings during wet weather.
- Basal rot and bulb rots (Fusarium oxysporum / Pythium spp.):
- Symptoms: Bulbs that fail to sprout or produce weak plants, with soft, browned, sometimes pink-mouldy basal plates; driven by warm, wet or poorly drained soil.
- Treatment & Management: Plant only firm healthy bulbs in free-draining soil, avoid waterlogging and summer irrigation of dormant bulbs, rotate planting sites, and lift and store bulbs cool and dry in wet climates.
- Tulip breaking virus (Tulip breaking virus (Potyvirus)):
- Symptoms: Feathered or streaked ‘broken’ flower colour and mottled foliage; historically prized but a sign of a debilitating, aphid-spread virus that weakens bulbs over time.
- Treatment & Management: There is no cure – remove and destroy affected plants, control the aphids that spread it, keep virus-prone tulips away from lilies, and buy virus-free stock.
- Grey mould and Pythium root rot (Botrytis cinerea / Pythium spp.):
- Symptoms: Fuzzy grey mould on flowers and foliage in cool damp still air, and soft, brown, poorly rooted plants in wet soil.
- Treatment & Management: Improve airflow and drainage, remove faded flowers and dead foliage, avoid overwatering, and keep beds free of debris.
Growing Difficulties & Abiotic Problems
- Poor or declining flowering:
- Cause & Symptoms: Warm winters that fail to chill the bulbs, cutting foliage too early, or leaving bulbs in hot wet summer soil all reduce or end flowering; many hybrid tulips naturally weaken after the first year.
- Correction Strategy: Give a proper cold dormancy (pre-chill bulbs in mild climates), let foliage die down naturally to recharge the bulb, keep bulbs dry over summer, and treat many hybrids as annuals or choose perennialising and species types.
- Frost and weather damage to flowers:
- Cause & Symptoms: Late frosts scorch buds and foliage, and heavy rain or wind flatten the tall stems.
- Correction Strategy: Site in a sheltered spot, cover during hard late frosts, and choose sturdier or shorter cultivars in exposed gardens.
What Helps – Products & Tools
Tulip care centres on prevention: sharp drainage and rotation against tulip fire and basal rot, wire baskets and gravel against rodents, iron-phosphate bait for slugs, and insecticidal soap or neem for the bulb aphid and foliar aphids that spread virus. Keep a protectant fungicide (for example chlorothalonil-type or copper) only for tulip fire in wet springs on valued displays.
