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Kiwi & Kiwiberry

Kiwi & Kiwiberry

Actinidia deliciosa · A. chinensis · A. arguta · A. kolomikta

Garden Balcony Sun Partial shade ShrubMedium

For your Kiwi & Kiwiberry

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Profile

Plant group
Deciduous fruiting climbers
Growth & habit
Kiwi twines long stems around sturdy supports. A permanent framework carries renewed side shoots; it does not cling directly to a smooth wall.
Foliage
Broad, alternate leaves create dense summer shade. Large-fruited kiwi often has noticeably hairy leaves, while kiwiberry foliage usually appears smoother.
Family
Actinidiaceae
Origin
East Asia; cultivated species and cultivars from different regions
Height
Twining stems several metres long; vigorous types can reach 8 m or more
Bloom
Usually May to June; depends on species, cultivar and weather
Toxicity
Ripe fruit of suitable species is edible; kiwi can trigger individual allergies

Care calendar

Leaf emergence

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Fresh shoots are sensitive to late frost; consider exposure.

Flowering / flower development

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Male and female flowering periods must overlap.

Leaf fall

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Leaves fall in autumn; assess remaining unripe fruit by species and weather.

Pruning & growth habit

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Prune the framework in dormancy and organise shoots in summer; avoid heavy spring sap flow.

Guidance for Germany and Central Europe. Position, weather, species and cultivar shift these windows; indoor and container plants also depend on their winter conditions.

Your seasonal care plan

  • Check new growth and pollination partners

    Mar · Apr · May

    Watch fresh shoots and developing flowers when late frost threatens. For separate-sex cultivars, check that a suitable male partner flowers at the same time. Retain the main framework and avoid heavy pruning during strong spring sap flow.

  • Train side shoots and retain fruiting foliage

    Jun · Jul · Aug

    Shorten overlong side shoots selectively, retaining fruit clusters and enough healthy leaf area. Train young growth with room for thickening. Check soil moisture; containers need more reliable watering than established garden soil.

  • Assess ripeness by kiwi type

    Sep · Oct · Nov

    Judge ripeness and harvest timing by species, cultivar and weather. Do not automatically assess kiwi berries by the same criteria as large hairy kiwifruit. After leaf fall, check the exposed framework and ties and prepare container winter care.

  • Renew fruiting wood during dormancy

    Dec · Jan · Feb

    During leafless dormancy, gradually replace old fruiting side wood with suitable young shoots while retaining the supporting framework. Work before strong spring sap flow. Add protection for container roots; hardy wood does not make fresh growth resistant to late frost.

Highlighted months are guidance, not fixed dates. Observe the plant, root ball and weather; water, feed and repot according to actual need.

Seasonal care intensity

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal guidance for Germany. Needs depend on location, weather and species. Check moisture in winter too; these markers are not a feeding schedule.

Peak care Active Reduced care

Care tips

  • Clarify pollination and mature size before buying.
  • Use a permanently sturdy support.
  • Plan winter and summer pruning by shoot age.

Fruit & harvest

Fruit and seed formation

Large kiwifruit and small kiwiberries differ in skin, size and ripening. Many cultivars need a compatible male pollinator; self-fertility does not automatically mean heavy cropping.

Harvest and use

Harvest according to species and cultivar. Large kiwifruit may be firm at picking maturity and soften afterwards; assess kiwiberries separately. Protect crops from hard frost without treating immature fruit as ready to eat.

Plant knowledge at a glance

Position, benefits & character

Position & soil

Choose a warm, sheltered position and a sufficiently large support. Humus-rich soil should retain moisture without waterlogging. A large container needs more reliable watering and winter protection than open ground.

Distinctive features

Many cultivars are dioecious: female plants need a male partner compatible in species and flowering time. Cultivars sold as self-fertile are an exception, not a characteristic of all kiwi.

Benefits

Kiwi plants can shade a pergola and provide fruit. Smooth-skinned kiwiberries are used and ripen differently from hairy, large-fruited kiwi.

Partners & symbioses

Suitable pollination belongs in the planting plan. Insect visits can support pollen transfer; an arbitrary companion plant cannot replace a compatible kiwi pollinator.

Pruning & growth habit

Kiwi twines long stems around sturdy supports. A permanent framework carries renewed side shoots; it does not cling directly to a smooth wall.

  1. 1. Identify framework and fruiting wood

    Mark permanent main stems and organise young side shoots along them. Flowers form on new shoots arising from suitable previous-year growth.

  2. 2. Thin during summer

    Shorten overlong side shoots selectively, retaining fruit clusters and adequate leaf area. Do not strip an entire leafy wall at once.

  3. 3. Renew during winter

    Gradually replace old fruiting side wood with suitable younger shoots. Retain the supporting framework and check ties.

Nursery forms

This overview explains nursery supply forms. It does not indicate current availability in the GREEN24 shop.

Bare-root

Ask a specialist nursery

May be available from specialist fruit nurseries.

Root-balled

Not typical for this profile

Not a typical nursery form for this plant.

Container-grown

Common form

Potted cultivar, often already trained to a cane.

Young plant

Common form

Rooted young plant; confirm cultivar and sex.

Shrub

Not typical for this profile

Not a typical nursery form for this plant.

Feathered tree

Not typical for this profile

Not a typical nursery form for this plant.

Half-standard

Not typical for this profile

Not a typical nursery form for this plant.

Standard

Not typical for this profile

Not a typical nursery form for this plant.

Topiary

Ask a specialist nursery

Pre-trained espalier plants from specialist growers.

Propagation & grafting

Propagation

Maintain cultivars vegetatively through suitable cuttings, layering or professional grafting. Seedlings may differ considerably in sex and fruit characteristics.

Grafting

Possible in nursery production but not obligatory. Record cultivar, sex or self-fertility and any rootstock when buying.

Species & cultivars

Actinidia deliciosa 'Hayward'

Female large-fruited cultivar; provide a compatible pollinator.

Actinidia deliciosa 'Jenny'

Sold as a self-fertile large-fruited kiwi.

Actinidia arguta 'Issai'

Sold as a self-fertile kiwiberry; small smooth-skinned fruit.

Pests & diseases

These signs support an initial assessment. Different causes may look alike; choose a treatment only after identifying the problem.

Feeding damage and leaf undersides

Check young shoots and undersides; identify the cause before treatment.

Wet root zone

Persistent waterlogging can favour root damage. Check drainage and compacted areas first.

Many leaves but no fruit

Check plant age, cultivar, sex, flowering overlap and late frost before considering extra fertiliser.

Hardiness · USDA

Strongly species-dependent; young shoots are frost-sensitive

Kiwiberries are often hardier than large-fruited kiwi. Late frost can damage new shoots and flower buds even on hardy wood. Provide additional protection for container roots.

Actinidia arguta
USDA 3a–8bGuidance for this species; also consider cultivation, cultivar and root protection.

USDA zones describe long-term average winter extremes. Containers, young plants, wet soil, wind and late frost need separate consideration.

Understand USDA zones and maps →

Matching GREEN24 products

Matching fertilisers and substrates for your plant care.