Isaai Hardy Kiwi -

(Actinidia arguta 'Issai')

Fruit Vines

Other Common Names: Bower Actinidia, Hardy Kiwi, Tara Vine, Yang Tao
Family: Actinidiaceae Genus: Actinidia Species: arguta Cultivar: 'Issai'
Isaai Hardy KiwiIsaai Hardy KiwiIsaai Hardy Kiwi
Gabby Planted · 11 years ago
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Isaai Hardy Kiwi Overview


Below are common attributes associated to Isaai Hardy Kiwi.

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Plant Type: Fruit, Perennial, Vines

Temp / Zone: Zone 4A · -30° to -25° F, Zone 4B · -25° to -20° F, Zone 5A · -20° to -15° F, Zone 5B · -15° to -10° F, Zone 6A · -10° to -5° F, Zone 6B · -5° to 0° F, Zone 7A · 0° to 5° F, Zone 7B · 5° to 10° F, Zone 8A · 10° to 15° F, Zone 8B · 15° to 20° F

Sun Exposure: Full / Mostly Sun

Soil Type: Clay, Loam, Sand, Silt

Soil Drainage: Well Drained

Water Needs: Average

Level of Care: Average

Growth Rates: Moderate

Flower Color: White

Foliage Color: Dark Green

Average Width: 4' to 6', 6' to 8', 8' to 10'

Average Height: 12' to 15'

Season of Color: Early Summer Blooms, Spring Blooms

Landscape Uses: Climber

Growth Habits: Climbing

Theme Gardens: Cottage

Culinary Usages: Candies, Fresh Eating, Jellies / Preserves

Fruit Maturity: 10+ Weeks

Soil pH: 6, 6.5, 7, 7.5

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That just won't do! Report An Inaccuracy. - Buy Plants Trees Shrubs Online Buy Fruit Vines » · Gardenality Genius · Zone 8A · 10° to 15° F · Comment About Planting
Hardy kiwi often do not survive the first growing season. This is generally due to planting in a poorly drained soil and the development of root rot or neglect after transplanting. So, make sure you plant Hardy Kiwi in well-drained soil and full to mostly sun.

You'll also need to provide a trellis or some sort of support for the vine to cling to and climb. Hardy kiwis must have strong vertical support. In their native forests, these heavy vines climb trees. In a home garden, they require a sturdy structure such as a patio overhead or a trellis with 4-by-4 supports.

If you prefer to plant bare-root, buy and plant hardy kiwis in winter or early spring, when you would any other bare-root fruit. In cold-winter areas, plant after all chances of frost have passed, from spring until midsummer. In areas with long growing seasons, plant hardy kiwis anytime, but do avoid the hottest parts of summer, when transplant stress is high.

When planting, do not bury the plant or it's rootball too deep in the soil. If container-grown, make sure to plant it with the top edge of the rootball even or level with the ground.

Dig the planting hole at least 2 feet wide. Then add and thoroughly mix in organic matter in with the soil removed from the planting hole, such as mushroom compost, at a 50/50 ratio to heavy clay soil and a 25/75 ratio to loose, fertile soils.

When backfilling, tamp as you go to remove air pockets.

After planting, water deeply. From that point forward and until the plant has become established, water enough to keep soil damp but not consistently wet or soggy. Mulching around the plant with an inch or so layer of shredded wood mulch or pine straw will help retain moisture so you won't have to water as much.

11 years ago ·
0 Green Thumbs Up · Gardenality Genius · Zone 8A · 10° to 15° F · Comment About Pruning
Less pruning required on the Issai Hardy Kiwi because of its early fruiting and spur type growth. It may not require any pruning in it's first year or two.

When you start to prune, do so in late winter while the plant is still dormant without leaves. Cut only to guide the plant to the form you want it to take. I would suggest allowing only 1 or two shoots/stems to grow up the trellis, fence or other support structure. These shoots/stems will become the trunks of your vine.

When the shoot(s) have reached the top of the support structure you can nip the top off just above a bud. Also remove any side shoots growing from the main stem/trunk. New stems will emerge from beneath your top cut and these can be trained to grow horizontally along the trellis, the top of a fence, or over an arbor.

In future years you can prune the horizontal branches to control the length of the vine. Always cut just beyond a bud to avoid leaving a long section of dead stem, which will attract disease.

Always remove diseased or dead stems as you see them, whatever the season

11 years ago ·
0 Green Thumbs Up · Gardenality Genius · Zone 8A · 10° to 15° F · Comment About Feeding
When fertilizing a plant that produces fruit you will eat, I always recommend the use of an organic plant food and/or mulching with organic compost. Feed the Kiwi vine in spring, after all chances of frost have passed.

11 years ago ·
0 Green Thumbs Up · Gardenality Genius · Zone 8A · 10° to 15° F · Comment About Problems
When established, Kiwi vines are tough plants. The main problem in growing them is overwatering. Consistently wet or soggy soil is a killer and this is the reason most newly planted vines do not survive the first year.

11 years ago ·
0 Green Thumbs Up
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