Hardy Orange Tree Seeds

The Hardy Orange Tree (Poncirus trifoliata), also known as Trifoliate Orange, is a unique, cold-resistant citrus relative prized for its fragrant flowers, spiny branches, and ornamental golden-orange fruits. Grown from non-GMO seeds, this small deciduous tree thrives in cooler climates where traditional citrus trees cannot survive. It’s perfect for use as a decorative hedge, bonsai, or cold-hardy fruiting tree.

Key Features

• Cold-Hardy Citrus: Survives temperatures as low as -10°F (-23°C).

• Non-GMO & Natural: Free from chemicals and genetic modification.

• Fragrant White Blossoms: Highly aromatic flowers attract pollinators.

• Unique Ornamental Fruit: Produces small, round, orange-colored fruits.

• Low Maintenance: Drought-tolerant once established.

• Versatile Use: Excellent for hedges, container growing, and bonsai.

Specifications

• Scientific Name: Poncirus trifoliata

• Common Name (U.S.): Hardy Orange / Trifoliate Orange

• Seed Type: Non-GMO, Open-Pollinated

• Plant Type: Deciduous Shrub / Small Tree

• Mature Height: 8–15 feet

• Spread: 6–12 feet

• Fruit Type: Small, round, orange-yellow citrus-like fruit

• Fruit Flavor: Tart and aromatic (best used for marmalades or ornamental use)

• Sunlight Requirement: Full Sun

• Soil Type: Well-drained loamy or sandy soil

• Soil pH: 6.0–7.5

• Watering Needs: Low to moderate; drought-tolerant after establishment

• Temperature Range: -10°F to 90°F (-23°C–32°C)

• USDA Hardiness Zones: 5–9

• Days to Germination: 21–35 days

• Days to Maturity: 3–5 years to fruiting

• Spacing: 8–10 feet apart

• Pollination: Self-pollinating

• Organic Status: Non-GMO

• Special Traits: Cold-hardy, fragrant, ornamental, pollinator-friendly

Planting Guide

1. Seed Preparation: Soak seeds in warm water for 24 hours before planting.

2. Sowing Depth: Plant ½ inch deep in well-draining seed-starting soil.

3. Germination Temperature: Maintain 70°F–85°F (21°C–29°C).

4. Light: Provide full sunlight or grow under a bright indoor light.

5. Transplanting: Move seedlings outdoors once frost danger has passed.

6. Soil Preparation: Mix organic compost for improved drainage.

7. Watering: Keep soil moist but not waterlogged during early growth.

8. Pruning: Prune for shape and air circulation after each growing season.

9. Fertilizing: Feed with balanced citrus fertilizer twice yearly.

10. Harvesting: Pick fruits in late fall when fully yellow or orange.