Kiwi (Prolific)

$29.99

Prolific is a dependable, high-yielding kiwi berry that does exactly what its name suggests. The vine grows vigorously, flowers heavily, and produces generous crops of smooth, green kiwi berries with clean, approachable sweetness once established.

  • Exceptionally heavy-bearing kiwi berry
  • Medium-sized, smooth-skinned green fruit
  • Sweet, classic kiwi flavor
  • Vigorous growth; ideal for trellises and arbors
  • Female vine; requires a male hardy kiwi within 20–30 feet
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Description

Prolific is a dependable, high-yielding kiwi berry that does exactly what its name suggests. The vine grows vigorously, flowers heavily, and produces generous crops of smooth, green kiwi berries with clean, approachable sweetness once established.

This variety is often chosen by growers who want abundance and reliability rather than novelty. Fruit size is medium for kiwi berries, but production can be substantial once the vine matures. With proper training and pruning, Prolific rewards growers with consistent harvests year after year.

Kiwi berries—also known as hardy kiwi—are smooth-skinned, bite-size kiwis that you eat whole, skin and all. Unlike fuzzy kiwis from the grocery store, these grape-sized fruits require no peeling and soften slightly as they ripen, developing a sweet, tropical kiwi flavor that’s easy to enjoy fresh. Prolific is especially well suited to trellises, arbors, and pergolas where productivity and vigor are welcome.

Overview

  • Fruit type: Kiwi berry (hardy kiwi) with smooth, edible skin
  • Fruit size: Medium for kiwi berries
  • Flavor: Sweet, classic kiwi flavor
  • Color: Green skin and green flesh
  • Growth habit: Very vigorous climbing vine; easily maintained at 10–12 ft with training and pruning
  • Productivity: Exceptionally heavy-bearing once established
  • Pollination: Female; requires a compatible male hardy kiwi vine for fruiting

Growing Details

Latin Name: Actinidia arguta ’Prolific’
Site and Soil: 1/2 day to full day of sun; well-drained soil
Hardiness: USDA Zones 4–9
Rootstock: Own-root (propagated from cuttings)
Bearing Age: Typically 3–4 years after planting once vines are well established and properly trained
Size at Maturity: Vigorous climbing vine; easily maintained at 10–12 ft with regular pruning and training
Bloom Time: Mid-season (varies by region)
Ripening Time: Mid to late season within kiwi berries (varies by region)
Fruit Size: Medium for kiwi berries
Pollination: Female; believed to be partially self-fertile. We recommend pollination. A proven option is ourMale Hardy Kiwi (Meader).
Pests & Diseases: Generally low disease pressure with good airflow and proper pruning
Yield: Commonly 60–100 lbs per mature vine under good growing conditions

Additional Notes

  • Grower’s Insight: Prolific can overcrop if left unmanaged—regular pruning helps balance yield and improves berry finish.
  • Regional Insight: Prolific performs well wherever hardy kiwis are adapted, making it a reliable choice for growers prioritizing productivity across diverse climates.
  • Crop Management Tip: Heavy bloom and fruit set mean this variety benefits from disciplined pruning to keep vines manageable and fruit quality high.
  • Explore more kiwi berry and hardy kiwi vines in our collection: Kiwi & Hardy Kiwi Vines

Planting & Care

At a Glance – Prolific Kiwi Berry

  • Sun: 1/2 day to full day of sun
  • Soil: Well-drained soil; avoid prolonged saturation
  • Water: Moderate; consistent during establishment
  • Size: Climbing vine; easily maintained at 10–12 ft with pruning
  • Support: Requires a strong trellis, arbor, or pergola
  • Pollination: Female; requires a male hardy kiwi within 20–30 feet
  • Harvest: Mid to late season within kiwi berries
  • Hardiness: USDA Zones 4–9

Planting & Care

Site Selection

  • Choose a site with good sun exposure to support strong growth and heavy fruiting.
  • Full sun is ideal, though at least 1/2 day of sun is sufficient.
  • Good airflow helps manage vigor and supports healthy fruiting.
  • Plan and install permanent support before vines mature.

Soil Preparation

  • Kiwi berries prefer well-drained soil.
  • Avoid compacted or poorly drained areas.
  • Light compost amendment can improve soil structure if needed.

Planting Instructions

  • Dig a hole twice as wide as the root system.
  • Plant at the same depth as the container-grown vine.
  • Backfill with native soil and water thoroughly.
  • Mulch 2–3 inches deep to stabilize moisture (keep mulch off the stem).

Watering & Fertilizing

  • Water consistently during the first 1–2 years.
  • Deep watering encourages strong root development.
  • Once established, allow soil to partially dry between waterings.
  • Apply compost or a balanced fertilizer in early spring if growth is weak.

Support & Training

  • Install trellising, an arbor, or pergola at planting time.
  • Train a single strong trunk upward during the first year.
  • Establish one or two permanent horizontal cordons along the support.

Pruning & Training (Think Grapes)

  • Hardy kiwis are pruned using a grape-style system.
  • Fruit is produced on new shoots growing from last year’s wood.
  • In winter, cut back fruiting growth to short spurs with 2–4 buds.
  • Summer pruning helps control vigor and prevent excessive shading.

Pollination

  • Prolific is a female kiwi berry and is not self-fertile.
  • Plant a compatible male hardy kiwi within 20–30 feet.
  • One healthy male can pollinate multiple female vines.

Harvest & Use

  • Harvest when fruit reaches full size and begins to soften slightly.
  • Fruit may ripen unevenly and is often harvested in multiple passes.
  • Allow fruit to finish ripening off the vine if needed.
  • Best enjoyed fresh for sweetness and texture.

General Tips

  • Strong support is essential for managing heavy crops.
  • Consistent pruning improves fruit quality and keeps vines manageable.
  • Balance vigor and yield for the best long-term performance.