How to Grow Kumquat Meiwa

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Kumquat Meiwa

Citrus japonica 'Meiwa'

fruit

Meiwa kumquat is a compact, evergreen citrus tree prized for its sweet, seedless golden-orange fruits that are eaten whole, skin and all. The tree is smaller and more ornamental than other kumquat varieties, making it excellent for containers and home gardens. It produces fragrant white flowers followed by abundant small fruits with a distinctly sweet flavor.

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Example Kumquat Meiwa timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Kumquat Meiwa

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Kumquat Meiwa

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Kumquat Meiwa dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily; minimum 6 hours for fruit production
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when top 1-2 inches of soil are dry. Reduce watering in winter. Trees in containers need more frequent watering. Humidity of 50-70% is ideal.
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Spacing: 120 inches
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Days to maturity: 3-4 years from planting to first fruit; peak production at 5-7 years
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Planting depth: Plant grafted trees at same depth as nursery pot; top of root ball level with ground

Soil

Type: Well-draining loamy or sandy soil, slightly acidic
pH: 6.0-7.0
Amendments:
Peat moss or coconut coir Compost Sand or perlite for drainage Citrus-specific fertilizer with micronutrients

Growing Zones

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Thrives in zones 9-11; can be grown in containers in cooler zones and brought indoors during winter

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Establishment (Year 1-2)

2 years

Young tree develops root system and branch structure with glossy dark green foliage; minimal fruiting

Water regularly and deeply; stake tree if needed; avoid heavy pruning; fertilize monthly during growing season with diluted citrus fertilizer

2

Early Flowering (Year 2-3)

1 year

Tree begins producing fragrant white flowers in spring; small immature fruits may appear but are often dropped

Reduce nitrogen to encourage flowering; do not remove all flowers; ensure consistent moisture; avoid overwatering which promotes foliage over fruit

3

Fruiting & Development (Year 3-4)

4-5 months

Golf ball-sized golden-orange fruits develop from spring flowers; fruit grows steadily through summer and early fall

Thin fruits if overcrowded (space 2-3 inches apart) for larger fruit; maintain consistent watering; apply balanced fertilizer; mulch around base to retain moisture

4

Maturation (Late Fall-Winter)

2-3 months

Fruits reach full size and develop rich, sweet flavor; color deepens to golden-orange; fruits can remain on tree several months

Reduce watering slightly; do not overwater in cool season; avoid fertilizing; fruits can stay on tree; ensure good air circulation to prevent fungal issues

5

Harvest & Rest (Winter-Spring)

2-3 months

Harvest ripe fruits from tree; new flower buds form for next season's crop

Pick fruits as needed; prune lightly only to remove dead wood; tree may experience reduced watering period; prepare for spring growth cycle

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Walnut trees (juglone toxicity) Black locust Fennel Desmodium Deep-rooted trees that compete for water

Common Pests

  • Spray with horticultural oil or neem oil in late winter/early spring; prune heavily infested branches; introduce parasitic wasps

  • Increase humidity; spray with water to dislodge; use miticide if severe; ensure good air circulation

  • Remove with rubbing alcohol on cotton swab; spray with insecticidal soap; apply neem oil

  • Prune affected new growth; spray with spinosad or neem oil on new shoots; apply reflective mulch

  • Spray with strong water stream; use insecticidal soap; apply neem oil; encourage ladybugs

  • Yellow sticky traps; spray with neem oil or insecticidal soap; increase humidity

Uses

🍳

Fresh fruit eating and garnish

Culinary

Meiwa kumquats are uniquely sweet and are eaten whole, skin and all, making them ideal for fresh snacking, salads, dessert garnishes, and cocktail decorations. The edible peel balances the tart inner fruit creating a complex flavor profile. [source]

🍳

Marmalade and preserves

Culinary

The fruit makes exceptional marmalade and jams due to its natural pectin content and balanced sweet-tart flavor. Meiwa variety is preferred for preserves due to its seedless nature and superior sweetness. [source]

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Vitamin C source and digestive support

Medicinal

Kumquats are rich in vitamin C, fiber, and antioxidants, supporting immune function and digestive health. The peel contains compounds that may have anti-inflammatory properties. [source]

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Ornamental houseplant

Household

The compact, slow-growing Meiwa variety is excellent for container growing indoors or on patios, providing fragrant flowers, attractive foliage, and decorative golden fruits. It functions as living decor while producing food. [source]

🎨

Candied fruit and decorative crafts

Craft

Whole kumquats can be candied for gourmet confections, used in floral arrangements, or dried for decorative purposes. Their small size and glossy appearance make them ideal for craft projects. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest fruits from November through February when fully golden-orange and slightly soft to touch. Fruits can stay on tree 3-4 months after ripening. Pick individual fruits by gently twisting and pulling, or use pruning shears. Taste one fruit first to confirm sweetness. Eat fresh whole (skin included), use in marmalade, candied, or as garnish. Unwashed fruits store 2-3 weeks at room temperature or up to 6 weeks refrigerated.

Fun Facts

  • 🌱 The name 'Meiwa' means 'precious harmony' in Japanese, and this variety was specifically developed in Japan for superior sweetness and seedless fruit, making it the preferred kumquat for eating fresh.
  • 🌱 Unlike most citrus fruits, kumquats are the only citrus where you eat the nutritious, sweet peel along with the tart inner flesh—the peel contains beneficial oils and is where much of the sweetness concentrates in Meiwa variety.
  • 🌱 A mature Meiwa kumquat tree can produce 100-200+ fruits in a season on a relatively compact plant (6-12 feet tall), and individual fruits can remain on the tree for several months after ripening, extending the harvest window.

Gardening Terms

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