Belonging to the Myrtle family and not true guavas, the Acca genus contains three species,
of which Acca sellowiana, Pineapple Guava, is the most well known. At least several dozen cultivars
have been developed.
Form: A multi-stemmed shrub or small tree.
Lifespan: Up to 50 years.
Leaf retention: Evergreen.
Growth rate: Slow to moderate depending on water.
Mature Size: 3-20' high and as wide.
Flowers: Four to six fleshy, edible, white petals tinged with purple,
long bright red stamens. 100-200 chill hours needed for best flowering.
Hand pollination is very successful. Poor fruit yield is often caused by
lack of pollination.
Self-fruitful: Two different cultivars should be planted together
for cross pollination unless the cultivar is known to be self-fruitful.
Years before fruiting: 3-5 years from seed.
Fruit: Egg shaped, blue-green, waxy skin, fragrant, edible. Flavor
is between pineapple and another fruit, some say strawberry, others,
apple and mint, or banana. Size from 0.75" to 4" in length.
Eat like an avocado, scooping the flesh out of the skin. The skin is
edible but sour.
Months for fruit to ripen: 4.5 to 7. Ripe when drops from branch after
plant is shaken. Check every two days.
Storage after harvest: One week for best quality. Dip in lemon juice
after peeling to prevent turning brown.
Leaves: Green and smooth on top, silvery underneath, elliptical, thick.
Stems: No thorns.
Roots: Shallow, non-invasive.
Cultivars of Note: for regions with hot summers
'Apollo' self-fruitful, ripens mid to late season
'Gemini' needs 'Apollo' for cross-pollination, ripens
late summer to early autumn before 'Apollo'
'Pineapple Gem' self-fruitful but does better with
hand pollination, ripens mid to late season.
Wildlife: Attracts bees and birds. In some regions, birds eat flowers and
pollinate plant. Avoided by rabbits and deer.
Toxic / Danger: No.
Origin: South America.
Cultivation and Uses
USDA hardiness zones: 8-10. Hardy down to 12-15°F.
Chill hours: 50-200 hours depending on cultivar.
Heat tolerant: Yes, once established. Extra water is needed to maintain appearance over 90°F.
Heat stress may cause fruit drop and leaf browning. If the tips of leaves turn brown, 30-50%
shade should be provided most of the day.
Sun: Full sun to part shade. Avoid reflected sun or hot zones. When temperatures are over
90°F, afternoon full shade to all day part shade will reduce heat stress.
Drought tolerant: Yes, but prolonged lack of water, especially in high temperatures, results in
loss of fruit and ratty appearance.
Water after becoming established: Once or twice a month when not fruiting.
Deep water weekly when fruiting. Water weekly when temperatures over 90°F
to maintain appearance. Do not overwater.
Soil: Well drained, tolerant as to soil type, but better if planted
with organic soil amendment. Best in pH 6.1-7.5 (slightly acidic to neutral) soil.
Fertilize: Apply organic fertilizer and citrus micronutrients three times
a year in late February, late May and late July, or at least once late winter. Do not fertilize
after August to avoid triggering new frost-prone growth. Spread fertilizer evenly under the canopy
but 6" away from the trunk. Water immediately on a mist setting. Avoid chemical fertilizers that will
add too much salt to already alkaline and salty soil unless you live in the high mountains with pH neutral
Mulch: To protect shallow roots from summer heat and winter cold.
Prune: Lightly to shape after fruit harvest. Handles shearing but this reduces flower production.
Dense branches may need thinning to expose flowers and fruit. Can be shaped to any form.
Litter: Moderate fruit and leaf drop.
Propagation: Seed, cuttings or layering. Seed may not breed true to type.
Uses: Ornamental, edible flowers and fruit, hedge. Flower petals are used in salads.
Former botanical name Feijoa sellowiana.
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