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Actinidia Arguta 'Issai' Kiwi
Actinidia Arguta 'Issai' Kiwi
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USDA Zones/Minimum Temperature
USDA Zones/Minimum Temperature
The Issai grows well in USDA hardiness zones 4 to 8, thriving in a range of climates from very cold to mild. It is cold hardy down to -25°F to -30°F (-31°C to -34°C). Young plants and early spring growth are sensitive to frost, so providing protection during late frosts is recommended.
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Actinidia Arguta 'Issai,' commonly known as Hardy Kiwi or Arctic Kiwi, is a deciduous vine celebrated for its compact size, delectable fruits, and adaptability to various climates. Unlike its larger cousin, the traditional kiwi (Actinidia deliciosa), 'Issai' boasts smaller, smooth-skinned fruits, making it an attractive choice for home gardens.They are typically about the size of large grapes. The flavor is sweet and tangy, with a hint of tropical notes. The skin is thin and can be eaten, enhancing the overall sweetness of the fruit.
The 'Issai" is known for its manageable size, reaching a height of around 10 to 15 feet. Its compact nature makes it suitable for smaller spaces or container gardening, and it can be easily trained on trellises or arbors.
It is well-suited for USDA hardiness zones 4 to 9, thriving in a range of climates from moderately cold to mild.
The 'Issai' Kiwi is self-pollinating, meaning it doesn't require a separate male plant for fruit set. However, planting multiple vines can enhance yields.
The last photo is an example of a #1 (1 gallon), Actinidia Arguta Issai, however, it is not the exact plant that you will receive. Your plant will be approximately 1-2 years old and 1'-2' tall.
Plant Highlight
Plant Highlight
Height: 10' to 15'.
Minimum temperature: -30°F to -20°F (-34.4°C to -28.9°C).
USDA zone: 4-9.
Light: Full sun to part shade.
Bearing age: 2-3 years.
Pollination requirements: None. It is self pollinating.
Ripens: Late summer to early fall.
Pollination and Ripening
Pollination and Ripening
One of the notable features of 'Issai' Kiwi is its ability to self-pollinate, meaning only one plant is required for fruit production. The vines usually start bearing fruit after 2 to 3 years, with the fruits ripening in late summer to early fall. Planting multiple vines can enhance yields.
Shipping Restrictions
Shipping Restrictions
Can not ship to HI.
Planting Guide
Planting Guide
Kiwi Planting And Care
Time of Ripening and Bearing Age:
Kiwi typically begins bearing fruit around 2-3 years after planting. The time of ripening occurs in summer to early fall, providing a bountiful harvest during this period.
Site Selection:
Select a planting site that receives full sun exposure to promote optimal fruit development. Ensure that the site has well-draining soil to prevent waterlogged conditions, as kiwi plants are sensitive to overly saturated roots.
Soil Type:
Kiwi prefers slightly acidic to neutral soil with a pH range of 5.5 to 7.5. Rich, loamy soil that is well-draining is ideal for promoting healthy root development.
Planting Instructions:
Plant kiwi vines in the spring through summer in colder regions, year round in warmer regions, in order to allow them to establish themselves before winter. Dig a hole twice as wide and deep as the root ball, and set the plant at the same depth it was in the container. Water thoroughly after planting.
Spacing:
Provide ample spacing between Kiwi plants, allowing for a distance of 10-12 feet between each vine to accommodate their expansive growth.
Watering:
Maintain consistent soil moisture, especially during dry periods. Water deeply but avoid waterlogged conditions. Mulching around the base helps retain moisture and suppress weeds.
Types of Fertilizer to Use:
Apply a balanced, slow-release fertilizer in early spring before new growth begins. Additionally, provide a side dressing of compost or well-rotted manure during the growing season.
Pollination:
Kiwi plants are dioecious, meaning they have separate male and female plants. To ensure proper pollination, it is advisable to plant at least one male kiwi vine for every 4-5 female vines.
Pest and Diseases:
- Common pests include aphids, scale insects, and spider mites. Regular inspection and insecticidal soap applications can help control these pests.
- Kiwi plants may be susceptible to fungal diseases like powdery mildew and bacterial canker. Fungicidal sprays and proper pruning to improve air circulation can mitigate these issues.
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