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Issai Hardy Kiwi Vine

Actinidia arguta 'Issai'

$7641
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Plant Sentry Protected

Plant Sentry™ Protected

Your order is protected by our compliance system that:

  • Prevents restricted plants from shipping to your state
  • Ensures plants meet your state's agricultural requirements
  • Protects gardens from invasive pests and diseases

Learn more about Plant Sentry™

Plant Profile & Growing Essentials

Fast-growing, Flowering, Edible, Self-pollinating, Thornless, Ornamental Berries/Fruit, and Attracts pollinators

Specifications
  • Botanical Name
    Actinidia arguta 'Issai'
  • Height
    8-12 ft
  • Width
    3-5 ft
  • Growing Zones
    3-8
  • Sunlight
    • Full sun
  • Growth Rate
    Fast
  • Flower Color
    • White
    • Green
  • Leaf Color
    • Green
  • Pollinator Friendly
    Yes
  • Pollinator Required
    No
  • Bloom Period
    Late Spring, Early Summer, Late Summer

Planting & Care Instructions

Where to Plant

  • Sunlight: This vine thrives in full sun, meaning it needs at least 6 to 8 hours of direct light daily to maximize fruit production and sweetness. While it can handle partial shade, you will likely see fewer blooms and a less vigorous growth habit in lower light.
  • Soil: Aim for fertile, well-drained soil that is slightly acidic (pH 5.5 to 6.5) to keep the foliage lush and green. If you have heavy clay that stays soggy, plant your vine on a raised mound or add plenty of organic compost to improve drainage, as "wet feet" can lead to root rot.

Watering Requirements

During the first year, keep the soil consistently moist (but not waterlogged) by watering 2 to 3 times per week to help the shallow root system establish. Once mature, the Issai is moderately drought-tolerant, but a lack of water during the heat of summer will cause the fruit to drop early or result in smaller berries. Think of the soil like a wrung-out sponge; it should feel damp to the touch, especially during the spring flowering window when moisture is critical for fruit set.

Pruning Tips

The Issai Hardy Kiwi blooms on one-year-old wood (growth from the previous season), so timing is everything. Prune your vine in late winter while it is still dormant to remove dead wood and thin out the "spaghetti mess" of tangled branches, which allows light to reach the interior fruiting spurs. Think of this like a yearly haircut; removing about one-third of the old growth each year encourages the vine to push out fresh, productive wood for next season’s harvest.

Fertilizer Needs

Apply a balanced, slow-release fertilizer (like a 10-10-10) in early spring just as the new buds begin to swell. You can give it a second lighter feeding in early summer to support the developing fruit, but avoid high-nitrogen fertilizers after mid-summer. Feeding the plant too late in the season encourages soft, tender growth that won't have time to harden off before the first frost, leaving the vine vulnerable to winter damage.

Growing Zones 3-8

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Cold-hardy and beautiful ornamental, the Issas Kiwi Vine (Actinidia arguta 'Issai') is a fantastic garden climber with delectable little green fruit and drifts of gorgeous white blooms! You’ll enjoy growing your own healthy fruit while adding shade and beauty to your landscape!

The bright green leaves are held upon reddish stems. Each leave has intricate little toothy margins for a very lovely effect! In mid-spring, clouds of darling white blooms appear and call butterflies with their mild fragrance!

This Kiwi Vine is self-fertile, producing a ton of large-grape-sized green fruit that have smooth skin and an excellent sweet flavor - better than anything store-bought! More tolerant of heat and humidity, Issas is a lovely plant to behold all growing season!

Planting and Application:

Let this hardy Kiwi Vine climb on a trellis or arbor for shade and vertical height in the garden. Or let ramble over an unsightly fence for privacy and screening! These are fast growers and tolerant of a wide range of conditions! Great for informal and formal gardens, adding height to beds and borders, or an easy fruiting vine with a small footprint on sunny porches, balconies, and tucking easily to an existing vegetable garden.

Issas Kiwi Vine is ready to harvest in summer through the autumn, and then lose its leaves after the first frosts in winter. These are self-pollinating vines, but having a second will increase your harvest significantly!

  • White Fragrant Blossoms
  • Pollinator Friendly
  • Delicious Smooth Green-Skinned Fruit
  • Beautiful Toothy Foliage & Red Stems
  • Easy Care Climbing Vine

#ProPlantTips for Care:

Kiwi Vines do best in slightly acidic soil and in full sun, but tolerate part shade. They do need moderate, yet consistent moisture, especially during summer and when fruiting. Rarely needing pruning or maintenance, trim to size when dormant in the winter because this Kiwi fruits on old wood. Mulch well to insulate the roots and regulate moisture.

  • Full Sun & Some Part Shade
  • Tolerates Clay, Heat & Humidity
  • Easy to Grow & Low Maintenance
  • Moderate Moisture & Well-Drained Acidic Soil
  • Disease & Pest Free

Order your own beautiful Issas Kiwi Vine for cold-hardy and self-pollination fruiting vines for your home landscape! Call or stop by NatureHills.com to buy one today!

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