Hardy Kiwi Weikii (male) - Actinidia arguta
Hardy Kiwi Weikii (male) - Actinidia arguta
Actinidia arguta Weikii
Hardy Kiwi, Tara Vine, Kiwai, Kiwiberry, Grape Kiwi
On my order, this one is top-notch – great foliage, strong vigour, I'm very satisfied. The plant looks healthy, with good roots present, no doubt it will establish beautifully. I recommend it!
Max, 06/05/2026
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Description
The Smooth-skinned Kiwai Weikii (Actinidia arguta) is a non-self-fertile variety that produces highly fragrant white flowers in early summer. This is a male plant that will not bear fruit but will enable the pollination of 5 to 6 female plants (such as Bayern, Geneva, or Ken's Red). It can be trained along a pergola, trellis, or arbour. It is best planted in autumn (or in spring in regions with cold winters).
The Kiwai (Actinidia arguta), also known as Siberian Kiwi or Hardy Kiwi, belongs to the Actinidiaceae family, just like its cousin, the Kiwi (Actinidia chinensis or deliciosa). Originating from Asia, it is a vigorous climbing liana that can reach a height of 5m (16ft). Its foliage is deciduous. The Kiwai is very hardy, able to withstand temperatures as low as -20°C. The stems bear large heart-shaped leaves, measuring 8 to 10cm (3 to 4in) in length, with fine teeth ending in bristles. In early summer (June-July), fragrant and nectar-rich flowers appear, with a white-greenish colour and purple anthers, grouped in clusters of 3 in the axils of the leaves.
For female plants, flowering is followed by the formation of ovoid berries, smaller than kiwis (2 to 4cm (1 to 2in) in diameter), with smooth and thin skin. The taste of the Kiwai resembles that of gooseberry. It is sweeter than the usual kiwi and richer in calcium and vitamin C. The flavour of the Kiwai is well-suited for modern cuisine, enhances the fragrance of fruit salads, and is suitable for the preparation of sweet and savoury dishes. Please note that this variety is not self-fertile. This is a male plant that will not bear fruit. However, it enables the pollination of female plants. Like the kiwi, one male plant can pollinate several female plants, around 5 to 6.
The beauty of the Kiwai, both in terms of its foliage and its fragrant flowering makes it ornamental as well as useful for pollinating. It is necessary to train this plant on a sturdy support, such as a wall with strong wires, a trellis, a pergola, a tree trunk, or a fence.
Hardy Kiwi Weikii (male) - Actinidia arguta in pictures
Plant habit
Flowering
Foliage
Botanical data
Actinidia
arguta
Weikii
Actinidiaceae
Hardy Kiwi, Tara Vine, Kiwai, Kiwiberry, Grape Kiwi
Central Asia
Planting and care
Planting is preferably done in autumn, or in spring for regions with cold winters.
The Kiwai will be planted in a moist, rich, light, and well-drained, lime-free soil. The plant hates stagnant moisture. Plant it in a sunny position sheltered from strong winds. Space the plants 2 to 3m (7 to 10ft) apart. Dig a hole 50cm (20in) in all directions. Spread a layer of gravel at the bottom and then a layer of soil mixed with compost. Lay the root ball diagonally and bring the stems upright along the support. Backfill with the same mixture. Provide support to help its voluble branches climb. Add half a watering can of water. The Kiwi has trailing roots that develop horizontally beneath the surface of the soil. The soil should remain moist in summer, so it will be useful to mulch the base with a layer of 10 to 15 cm (4 to 6in). Doubly useful, the mulch prevents the germination of weeds and prevents water evaporation from the soil surface, reducing the need for watering in summer.
The Kiwai requires little maintenance, simply provide regular watering. In periods of high heat, water it 1 to 2 times a week. Once established and rooted, the plant can fend for itself and requires less water. Apply a fertiliser rich in bonemeal at the start of vegetation growth. A special fruit tree fertiliser will also be very beneficial during flowering.
Not very sensitive to insects and pests, the Actinidia arguta can nevertheless be prone to red spider mites in a hot and dry environment. To eliminate them, lightly mist the foliage and soil.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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