HybridContainer OK

Sugar Apple Gefner

Annona squamosa 'Gefner'

a plant with red and yellow flowers in a garden

A superior Israeli-bred sugar apple variety that produces large, consistently sweet fruit with minimal seeds and exceptional creamy texture. The heart-shaped, scaly green fruits reveal snow-white, custard-like flesh that tastes like a blend of vanilla, coconut, and tropical sweetness. This compact tree is perfect for containers and produces fruit much faster than seedling varieties, often fruiting within 2-3 years.

Harvest

90-120d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

9–11

USDA hardiness

🗺️

Height

20 feet

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Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Direct Sow
Harvest
Direct Sow
Harvest

Showing dates for Sugar Apple Gefner in USDA Zone 9

All Zone 9 tropical

Zone Map

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CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Sugar Apple Gefner · Zones 911

What grows well in Zone 9?

Growing Details

Difficulty
Moderate
Spacing10-12 feet
SoilWell-draining sandy loam, tolerates poor soils
pH6.0-7.5
WaterLow — drought tolerant
SeasonSummer and Fall
FlavorIntensely sweet and creamy with vanilla, coconut, and custard notes
ColorGreen scaly skin with white flesh
Size4-6 inches diameter

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 9March – AprilJuly – September
Zone 10February – AprilJuly – August
Zone 11January – MarchJune – July

Complete Growing Guide

Growing Sugar Apple Gefner (Annona squamosa 'Gefner') tropical. Light: Full sun to partial shade (6+ hours). Hardy in USDA zones 9 to 11. Days to maturity: 90-120. Difficulty: Moderate. F1 hybrid — vigorous and uniform. Disease resistance: Generally disease resistant, improved variety.

Harvesting

Sugar Apple Gefner reaches peak harvest maturity when the individual fruit segments slightly separate and the skin transitions from bright green to a softer, yellowish-green hue, typically weighing 8-12 ounces. Gently squeeze the fruit—ripe specimens yield slightly to pressure without feeling mushy, and the scales may show subtle gaps between segments. This cultivar produces fruit continuously throughout the warm season rather than in a single concentrated flush, allowing multiple harvests from spring through early fall. For optimal sweetness, pick fruit when it just begins showing color changes but still feels firm, then allow it to soften at room temperature for 1-2 days, as Sugar Apple Gefner develops maximum flavor complexity during this ripening window rather than on the tree.

This is an ornamental variety — not grown for harvest. Enjoy in the garden landscape.

Storage & Preservation

Sugar Apple Gefner fruits keep best at 55–65°F with 85–90% humidity in a breathable container, away from ethylene-producing crops. Ripe fruits deteriorate quickly, typically lasting 3–5 days at room temperature or up to two weeks refrigerated, though cold storage may dull their distinctive vanilla and custard notes. For longer preservation, freezing the pulp works exceptionally well—scoop flesh into ice cube trays, freeze solid, then transfer to freezer bags for up to eight months. Blended fruit freezes smoothly for smoothies and milkshakes without textural loss. Drying the flesh produces chewy candy-like pieces, though this concentrates flavors and reduces volume significantly. Gefner's creamy texture makes it poorly suited to canning whole, but pulp can be processed into jam with added pectin and acid. Store seeds in a cool, dry place for propagation within 1–2 months, as viability declines rapidly.

History & Origin

Annona or Anona is a genus of flowering plants in the pawpaw/sugar apple family, Annonaceae. It is the second largest genus in the family after Guatteria, containing approximately 166 species of mostly Neotropical and Afrotropical trees and shrubs.

Advantages

  • +F1 hybrid — vigorous, uniform plants
  • +Container-friendly — grows well in pots
  • +Disease resistance: Generally disease resistant, improved variety

Considerations

  • -Moderate difficulty — some growing experience helpful
  • -Narrow hardiness range — best in zones 9-11

Companion Plants

Citrus trees and papaya make sense spatially because all three want the same well-drained, slightly acidic soil (pH 6.0–7.5) and at least 6 hours of direct sun, so you're not fighting over site conditions or irrigation schedules. Lemongrass planted at the base does double duty: its dense root mass suppresses weeds right at the drip line, and its volatile oils are thought to disrupt host-finding by mealybugs and scale insects. Down here in coastal and south Georgia — where Gefner is right at the northern edge of reliable zone 9b — that kind of passive pest pressure reduction matters. Marigolds (Tagetes erecta) and nasturtiums fill the low ground, drawing predatory wasps without competing for canopy light.

The three to avoid all release allelopathic compounds. Black walnut produces juglone, which NC State Extension identifies as toxic to a broad range of plants at the root zone. Eucalyptus leaches terpene-based oils that suppress root development in neighboring trees. Pine needle drop is the slow one — it acidifies soil incrementally, and after a few seasons you can find yourself well below pH 5.5, outside what Gefner tolerates. None of these effects reverse quickly once established, so site selection matters more than any remediation step.

Plant Together

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Citrus trees

Share similar growing conditions and attract beneficial pollinators without competing

+

Papaya

Compatible root systems and both benefit from similar tropical growing conditions

+

Comfrey

Dynamic accumulator that improves soil with deep roots, provides potassium for fruit development

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Lemongrass

Natural pest deterrent that repels ants and other insects without competing for nutrients

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Marigolds

Repel nematodes and aphids while attracting beneficial insects for pollination

+

Nasturtiums

Act as trap crops for aphids and cucumber beetles, protecting the sugar apple

+

Sweet potato

Ground cover that suppresses weeds and doesn't compete with tree's root system

+

Banana plants

Provide partial shade for young trees and share similar water and nutrient requirements

Keep Apart

-

Black walnut

Produces juglone which is toxic to many fruit trees including sugar apple

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Pine trees

Create acidic soil conditions and compete aggressively for water and nutrients

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Eucalyptus

Allelopathic compounds inhibit growth of nearby plants and competes for water

Nutrition Facts

Calories
25kcal
Protein
0.6g
Carbs
5.7g
Fat
0.3g
Vitamin C
22.3mg
Vitamin A
17mcg
Iron
0.07mg
Calcium
29mg
Potassium
123mg

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #168171)

Pests & Disease Resistance

Resistance

Generally disease resistant, improved variety

Common Pests

Annona seed borer, scale insects, mealybugs

Diseases

Root rot in poorly drained soils, leaf spot

Troubleshooting Sugar Apple Gefner

What you'll see, why it happens, and what to do about it.

Sticky, waxy white coating on stems and leaf undersides, with ants trailing up the trunk

Likely Causes

  • Mealybug infestation (Pseudococcidae) — ants farm them for honeydew and will actively protect them from predators
  • Dense canopy or poor airflow encouraging soft-bodied pest buildup

What to Do

  1. 1.Blast stems and leaf undersides with a strong jet of water to knock populations down before treating
  2. 2.Apply neem oil (2 tbsp per gallon of water) every 7 days for 3 weeks, hitting the undersides of leaves
  3. 3.Wrap a sticky ant barrier around the trunk at about 18 inches off the ground to cut off the ant-mealybug cycle
Raised, brown or gray crusty bumps on bark and stems that don't rub off easily; leaves yellowing and dropping

Likely Causes

  • Scale insects (armored or soft scale, family Diaspididae/Coccidae) — common on stressed Annona during hot, dry spells
  • Tree stress from drought or poor nutrition lowering the plant's natural defenses

What to Do

  1. 1.Scrub visible scale off bark with a soft brush dipped in 70% isopropyl alcohol
  2. 2.Follow up with horticultural oil spray (2% dilution) in the early morning when temps are below 90°F — spray above that threshold and you'll scorch the leaves
  3. 3.Side-dress with compost and maintain consistent irrigation through fruit set to reduce stress-related susceptibility
Fruit fails to develop, drops early at marble size, or seeds inside are hollowed out at harvest

Likely Causes

  • Annona seed borer (Bephratelloides maculicollis) — larvae tunnel into developing fruit and destroy seeds before harvest
  • Inadequate hand pollination — Annona squamosa has protogynous flowers, meaning the female stage opens before the male, and the two rarely overlap without intervention

What to Do

  1. 1.Collect pollen from fully open male-stage flowers (petals spread, loose yellow pollen visible) using a small brush, then dab it onto female-stage flowers (petals barely parted, stigma glossy and sticky) in the afternoon
  2. 2.Remove and destroy any dropped or prematurely soft fruit immediately — seed borers complete their life cycle in fallen fruit on the ground
  3. 3.Bag developing fruit clusters in paper bags after fruit set to physically block egg-laying adults

Frequently Asked Questions

How long does Sugar Apple Gefner take to produce fruit?
Grafted Sugar Apple Gefner trees fruit within 2-3 years of planting, compared to 7-10 years for seedling trees. Flowering typically begins in year 2-3, with the first harvestable fruit the following season. Productivity increases with each year, peaking at 7-10 years. Container trees may fruit even faster (within 2 years) due to stress-induced flowering.
Can you grow Sugar Apple Gefner in containers?
Yes, Sugar Apple Gefner is exceptional for container growing. Use 15-20 gallon pots with well-draining potting mix (high sand and perlite content). Container trees remain compact (6-10 feet) and produce fruit reliably. Water more frequently than in-ground trees and fertilize monthly during growing season. Containers are ideal for protecting trees from frost and moving them to optimal sun exposure.
What does Sugar Apple Gefner taste like?
Sugar Apple Gefner has intensely sweet, creamy flesh with distinctive vanilla, coconut, and custard notes. The texture is buttery and custard-like, melting on the tongue. It's less fibrous than many sugar apple varieties and contains far fewer seeds than seedling types. The flavor is often described as a tropical blend of vanilla pudding and pineapple sweetness.
Is Sugar Apple Gefner good for beginners?
Sugar Apple Gefner is moderately challenging for beginners. The difficulty is mainly hand pollination—without it, fruit set is poor. Once you understand this requirement, trees are hardy and low-maintenance. Purchase a grafted tree (not seeds), ensure excellent drainage, place in full sun, and hand pollinate flowers. Success requires attention to detail but is achievable for dedicated gardeners.
How often do you need to hand pollinate Sugar Apple Gefner?
Hand pollinate Sugar Apple Gefner flowers daily during the 2-3 week flowering period in spring or early summer. Use a small brush to transfer pollen between open flowers on cool mornings when pollen is viable. A single pollination per flower is sufficient; you don't need to re-pollinate. Without hand pollination, fruit set drops dramatically to near zero in many climates.
What's the difference between Sugar Apple Gefner and other sugar apple varieties?
Gefner is an Israeli-bred grafted cultivar superior to traditional seedling sugar apples in four ways: it fruits in 2-3 years (vs 7-10), produces larger fruits consistently, has minimal seeds and creamy texture, and offers premium flavor. Other improved varieties like Kampong and Pinkerton exist, but Gefner is widely considered one of the finest for flavor and productivity. Seedling varieties are unpredictable and slower.

Growing Guides from Wind River Greens

Where to Buy Seeds

Sources & References

External authority sources used in compiling this guide.

See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.

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