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Bower Actinidia, Hardy Kiwi, Tara Vine, Yang Tao 'Weiki'

Actinidia arguta

Family: Actinidiaceae (ak-tin-id-ee-AY-see-ee) (Info)
Genus: Actinidia (ak-tih-NID-ee-uh) (Info)
Species: arguta (ar-GOO-tuh) (Info)
Cultivar: Weiki
Additional cultivar information:(aka Bayern-Kiwi, Weihenstephaner)
Hybridized by University Mnchen-Weihenstephan, Department Fruit Crops
Registered or introduced: 1986


Edible Fruits and Nuts

Vines and Climbers

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)


10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)


USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun



Bloom Color:

White/Near White

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer



Other details:

Unknown - Tell us

Soil pH requirements:

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood heel cuttings

By simple layering

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


This plant has been said to grow in the following regions:


Concrete, Washington

Gardeners' Notes:


On Jul 23, 2008, saya from Heerlen
Netherlands (Zone 8b) wrote:

Actinidia arguta 'Weiki' is NOT self-fertile. So next to a female plant there 's a male plant needed to set fruit. The berries contain, comparing to other fruits, extremely high levels of vitamin C (200 to 400 mg/100g) next to other vitamins/minerals (Calcium, Kalium, Iron etc.) For crops: treat and grow the shrubs like grapevines. It also flowers and sets fruit on first year branches from older wood.

Actinidia 'Weiki' is developed by the Technical University of Mnchen-Weihenstephan, department Fruit Crops.