How to grow Cranberry hibiscus

Cranberry hibiscus plant grow and care – shrub‎ of the genus Hibiscus and also known as Rosemallow or Hibiscus acetosella, Cranberry hibiscus plant evergreen perennial plant in cold climate become annual plant, grown for the edible leaves but mostly used as ornamental plant for the colored leaves and can be hedge plant, can grow in mediterranean, subtropical, temperate, tropic climate and growing in hardiness zone: 9+ (as perennial) 5-8 (as annual).

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Cranberry hibiscus edible leaves and flowers

Leaves edible and arranged in lobes 3-5, in shadow the leaves are green in full sun become purple-bourdeaux, leaves delineate in the edges. The leaves are edible tart to sour it contain oxalic acid, buds are also edible and slightly sour and can be used for beverage,

Flower color pink-purple with 5 petals

Cranberry hibiscus for sale – Seeds or Plants to Buy

How to grow Cranberry hibiscus growing and care:

Humid, moist soil, well-drained soil, rich soil, organic material, mulch to keep the moist

How to care:
Add fertilize at least once, put mulch to keep the soil moist, organic matter and humus, prune once a year

What is the best way to start growing?
Plant / Seed / Vegetative Reproduction – cutting

How to propagate by cutting:
Propagating by cutting better to start in the early spring or with temperature of 20-26C (68-79F)and better before the plant start to grow after the dormant, better to choose stems that not going to bloom, requirements: moist soil, high humidity, peat soil, hormone for root growth, highly recommend to use green house (or small plastic box with holes) it will take few weeks.

Is it necessary to graft or use vegetative reproduction?
No, but with cutting ensure the color of the flower and the size of the plants, not hard to start by seeds

Difficulties or problems when growing:
Might be invasive in the tropical

Recommended planting season?
Spring as annual plant or as perennial in hardiness zone 9-10a, spring to summer in hardiness zone 10b, spring to autumn in hardiness zone 11, all year in hardiness zone 12+

How to plant:
Dig hole bigger 50% more than the roots ball, add to the hole, organic matter, dead leaves and hummus put back some soil and mix it, after this put the cover lightly but strong enough that won’t fall put support for the plant if needed, if the plant is not stable consider to prune, water it twice in the first day and every day for two weeks put water more than the regular, better to add the fertilizer after the plant establish.

Pests and diseases:
Aphids, mealy bugs, mites

Pruning season:
Autumn / Winter

How to prune:
Weak branches, dead flower and leaves

Size of the plant?
0.5-1.5 m, 2-5 feet

Growth speed in optimal condition:
Medium growing

Water requirement:
Average amount of water to big amount of water in warm weather

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow indoor as houseplant?
No

Growing is also possible in pots, planter, flowerpot or containers:
Yes, when growing in pot need 50% bigger than the roots ball, every time that switch the container to bigger switch some of the soil to new soil until arrive to the desirable container size, after that every few years better to switch part of the soil and cut some roots, no need to take the plant out just from the side of the container, can grow in container of 10-20L (2-4 gallons) can grow in bigger, soil can be potting soil, mixture of peat soil and perlite or other light mixed soil, water it regularly and care when put bottom for the pot be aware not to let the water stay there too many days, need to add humus, organic matter, fertilizer and mulch to cover the soil to keep it moist.

Blooming information

Bloom season:
Summer

General information about the flower
Pink-purple flower with 5 petals

Thinning the bloom:
Possible to thinning better for the leaves

Pollination is done by:
Bees / fly/ butterfly

Edible leaves

Bloom season:
Spring / Summer / Autumn (in the tropic all year)

How to harvest the leaves?
Harvesting young full grown leaves cut next to the stems or with all the stems

Information about leaves:
Leaves are arranged in lobes 3-5, in shadow the leaves are green in full sun become purple-bourdeaux, leaves delineate in the edges. The leaves are edible tart to sour it contain oxalic acid, buds are also edible and slightly sour and can be used for beverage

Uses of Cranberry hibiscus leaves:
Cooked, stir fry, rolled leaves

How to grow Confederate rose from seeds

Sowing requirement:
Moist soil, 20-26C (68-82F), humidity, full sun and possible in half sun and need high humidity

Saving seeds and care until sowing:
Dry and dark location and keep the seeds in the refrigerators

Sowing season:
Spring / Summer / Autumn (more important the temperature) and in location with cold winter better not in the autumn

How to plant:
Plant in soil that stay moist and don’t let the soil dry

Planting spacing:
3*5cm to transplant and better not to transplant it before 5 leaves, direct it’s depend 1*1m (40*40)

Depth of Sowing:
0.5-1cm (0.25-0.5 inch) but cover lightly and don’t push

Conditions for seeds germinate:
Full sun, moist soil

Watering requires for Seeds:
Average amount of water / Big amount of water

Germination time:
14-25 days

Condition of seedling:
After five leaves possible to add fertilizer and to put mulch

Scientific name:

Hibiscus acetosella

How to grow Cranberry hibiscus

Cranberry hibiscus grow and care

Cranberry hibiscus purple leaves

Cranberry hibiscus plant

Harvest Cranberry hibiscus

Cranberry hibiscus

Cranberry hibiscus leaves

Categories

Blooming Seasons
  • Spring flowers
  • Summer flowers
Edible Parts
  • Edible leaves
Culinary uses
  • Cooked
Flower colors
  • Pink flower
  • Purple flower
Climate
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
  • Tropics Climate
Harvest Season
  • Autumn Harvest
  • Spring Harvest
  • Summer Harvest
Leaf color
  • Purple leaf
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
Plant life-form
  • Annual plant
  • Evergreen
  • Perennial plant
  • Shrub
Plant Uses
  • Colored leaves
  • Edible plants
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Regularly water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 11
  • Hardiness zone 12
  • Hardiness zone 13
  • Hardiness zone 5
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9

Growing in Pots, Balconies & Indoors

Cranberry hibiscus (Hibiscus acetosella) is grown for its deep-red edible leaves and needs strong sun for the best colour, so it is a container plant for a sunny balcony or patio rather than a houseplant.

Quick Details

  • Container Size: 10-20 L (2-4 gal), larger is fine
  • Indoor Suitability: Not a houseplant – the rich leaf colour depends on strong direct sun
  • Best Spot: Full sun to half shade (full sun for deepest leaf colour)
  • Soil & Drainage: Potting soil or a peat-and-perlite (or other light) mix, kept moist but free-draining
  • Watering in Pots: Water regularly – average to generous, more in warm weather – but never waterlogged.

Indoors & On the Windowsill

  • Houseplant limits: The grower lists it as not an indoor plant; in low light the striking red foliage fades and growth stretches.
  • Windowsill option: Only the sunniest sill would keep some colour, and even then a bright outdoor spot is far better.

On a Balcony or Patio

  • Light and wind: Give it the sunniest, warmest spot for the best flowering; walls and railings reflect heat so pots dry quickly – check moisture daily in hot spells and shelter it from strong wind.
  • Overwintering: Where winters are cold, a potted plant is easy to move into a bright, frost-free spot for the cold season and back out when it warms – a key reason to grow tender hibiscus in a container.
  • Practicalities: A large watered pot is heavy – check the balcony can take it, and manage drainage runoff with a tray or pot feet.

Choosing the Pot, Soil & Long-Term Care

  • Pot and drainage: 10-20 L (2-4 gal) with strong drainage holes. If it stands in a tray, do not let water pool there for days – that leads to root rot. Choose a pot with strong drainage holes; if you stand it on a saucer, empty the saucer promptly so the roots never sit in water. Terracotta breathes and dries faster, while glazed or plastic pots hold moisture longer.
  • Potting mix: Use a well-aerated, organic-rich mix – a good potting soil, or peat/coir blended with perlite or vermiculite for drainage and air.
  • Watering: Water regularly to keep the mix evenly moist – pots dry out far faster than open ground, so check often in heat – but never leave it standing wet.
  • Feeding: Potted plants run through their soil faster because nutrients leach out with every watering, so feed a little more often than you would in open ground. Adding humus, organic matter and a mulch layer, as the grower advises, helps hold moisture and nutrients.

Grower’s Container Tip

  • Pot up gradually and root-prune from the side: The grower’s own method: move up one pot at a time, only about 50% larger than the root ball, mixing in some fresh soil at each step until you reach the final container size. After that, every few years replace part of the soil and cut back some roots – you can do this from the side of the pot without lifting the whole plant out. Adding humus, organic matter, fertilizer and a mulch layer on top helps keep the soil moist and fed.

Bloom & Edible Flower Guide

Quick Details

  • Bloom Season: Mainly late summer into autumn; year-round in the tropics
  • Time to First Bloom: In its first season; flowering comes late, as the days shorten
  • Flower Appearance: Pink to purple five-petaled hibiscus flowers with a darker center
  • Edibility: The flowers are edible and tart; best enjoyed in moderation, as the plant contains oxalic acid

Detailed Blooming Overview

Cranberry hibiscus is grown mainly for its striking wine-red foliage, but it also produces pretty pink-purple flowers, typically late in the season as the days shorten (and year-round in the tropics). The flowers are edible with a pleasant tart, cranberry-like bite. As with the leaves, they contain oxalic acid, so they are best enjoyed in moderation rather than in large quantities.

Flower Characteristics

  • Pink to purple flowers with five petals and a darker center.
  • Short-lived, as is typical for hibiscus.
  • Edible and tart; they contain oxalic acid, so are best used in moderation.

Bloom Care & Thinning

  • Managing the bloom: Thinning the flowers can direct more energy into the colorful leaves, if foliage is your main aim.
  • Pollination: Pollinated by bees, flies and butterflies.