How to Grow Sunburst Apricot

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Sunburst Apricot

Prunus armeniaca 'Sunburst'

fruit

Sunburst Apricot is a self-fertile cultivar that produces medium to large, deep orange apricots with excellent flavor and sweetness. This deciduous tree is highly prized for home orchards due to its ability to set fruit without a pollinator, though cross-pollination improves yields. The tree grows to 15-20 feet tall and blooms with fragrant white flowers in early spring.

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Example Sunburst Apricot timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Sunburst Apricot

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Sunburst Apricot

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

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Sun: Full sun, 8+ hours daily; essential for fruit production and disease prevention
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Water: Deep watering 1-2 times weekly during growing season; reduce in fall. Apricots prefer moderate moisture but are relatively drought-tolerant once established. Avoid waterlogged soil.
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Spacing: 240 inches
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Days to maturity: 1080
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Planting depth: Plant bare-root at same depth as in nursery; for grafted trees, keep graft union 2-3 inches above soil line

Soil

Type: Well-draining loamy soil with good structure
pH: 6.0-7.0
Amendments:
Compost or aged manure at planting Sand or gravel if soil is heavy clay Potassium-rich fertilizer for fruit development

Growing Zones

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Thrives best in zones 5-8; hardy to zone 4b but may experience late spring frost damage to blossoms

4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Establishment

Year 1-2

Young sapling with primary scaffold branches developing; tree is actively establishing root system and framework

Water regularly, stake if needed for wind protection, avoid heavy pruning; remove competing growth. Apply 2-3 inches of mulch around base.

2

Juvenile

Year 2-4

Tree develops secondary branches and leaf canopy; may produce first light flowers but typically removed to promote tree strength

Continue formative pruning to establish vase or open-center shape; remove crossed or inward-growing branches. Maintain consistent watering.

3

Flowering

2-3 weeks in spring

Tree produces abundant white to pale pink fragrant flowers in early spring (February-April depending on zone); frost risk is high at this stage

Monitor for late frosts and protect blossoms if possible with frost cloth on freeze nights. Do not apply nitrogen fertilizer during flowering.

4

Fruit Development

6-8 weeks

Fruit begins to set and grows from pea-sized to mature size; fruit transitions from green to yellow-orange over 4-6 weeks

Thin fruit to 2-4 inches apart when marble-sized to promote larger fruit and prevent branch breakage. Water consistently to prevent fruit cracking. Apply balanced fertilizer mid-spring.

5

Harvest & Dormancy

4-6 weeks

Fruit reaches full color and sweetness in mid-summer (June-July in most zones); tree begins to slow growth and prepare for winter dormancy

Pick ripe fruit frequently; apricots ripen quickly over 1-2 weeks. Prune back vegetative growth in late summer. Reduce watering in fall.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Walnut trees Brassicas in very close proximity

Common Pests

  • Apply kaolin clay spray at petal fall; handpick infested fruit; sanitation of fallen fruit essential

  • Strong water spray to dislodge; insecticidal soap in early spring; encourage beneficial insects

  • Prune for air circulation; remove infected fruit immediately; apply sulfur or copper fungicide at bloom and pre-harvest

  • Improve drainage and air flow; copper fungicide in early spring; remove infected branches

  • Increase humidity; strong water spray; miticide if severe; avoid excessive nitrogen

Uses

🍳

Fresh eating and preserving

Culinary

Sunburst apricots are excellent for eating fresh out of hand due to their sweetness and low acidity. They excel in jams, preserves, dried fruit, and can be frozen whole or in halves. [source]

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Nutritional and traditional medicine

Medicinal

Apricots are rich in beta-carotene, vitamins A and C, and dietary fiber. Traditionally used to support digestion and eye health; apricot kernels contain compounds of interest in folk medicine, though safety should be verified. [source]

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Drying and storage

Household

Fresh apricots can be dried using a dehydrator or sun-dried for long-term storage and snacking. Dried apricots are lightweight and shelf-stable for several months when properly stored. [source]

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Ornamental and landscape value

Craft

The Sunburst Apricot tree provides early spring beauty with abundant white blossoms and attractive branching structure. It functions well as a specimen tree in home orchards and smaller residential landscapes. [source]

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Pollinator and wildlife support

Wildlife

The early spring flowers attract bees and other pollinators when few other food sources are available. Birds are attracted to ripening fruit, and the tree provides beneficial insect habitat. [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 when fruit yields slightly to gentle pressure and has full orange color with sweet aroma; typically mid-June to early July depending on zone. Apricots do not ripen well off the tree, so wait until fully ripe on the branch. Pick frequently as fruit ripens over 1-2 weeks. Tree typically begins fruiting heavily at 3-4 years old.

Fun Facts

  • 🌱 Sunburst Apricot is one of the few self-fertile apricot varieties, making it ideal for home gardeners who cannot accommodate multiple trees; however, cross-pollination with other apricot varieties increases yield by 10-25%
  • 🌱 Apricot flowers bloom very early in spring (sometimes as early as February in warm zones), making them prone to frost damage—in cold climates, planting in a north-facing slope can delay blooming until frost danger passes
  • 🌱 The variety 'Sunburst' was developed through breeding programs to maximize both cold-hardiness and fruit quality, extending commercial apricot cultivation into zone 4, where it would not otherwise be possible

Gardening Terms

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