How to Grow Redlove Calypso Apple
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Redlove Calypso Apple
Malus domestica 'Redlove Calypso'
treeRedlove Calypso is a modern Swiss apple cultivar known for its striking deep red flesh and skin, along with its distinctive red-tinged foliage throughout the growing season. This mid-season apple tree produces crisp, sweet fruit with complex flavor notes and outstanding ornamental value due to its colorful foliage and flowers. It requires a compatible pollinator for fruit set and thrives in temperate climates.
When should you plant Redlove Calypso Apple in your zone?
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Example Redlove Calypso Apple timeline · Pittsburgh, PA (Zone 6b)
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Plant Redlove Calypso Apple
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Redlove Calypso Apple
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Redlove Calypso Apple dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 4-8, with optimal performance in zones 5-7
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Dormant/Establishment
Winter through early spring, first 1-2 yearsBare branches with red-tinged buds in spring; tree focuses on root establishment
Prune to shape framework in late winter while dormant. Apply dormant oil spray for pest management. Water during dry spells. Install support stake if needed.
Vegetative Growth
Spring through mid-summerRed-flushed foliage emerges; vigorous shoots develop with distinctive reddish leaves throughout the season
Thin overcrowded branches to improve light penetration and air circulation. Maintain consistent moisture. Apply balanced fertilizer in early spring. Prune competing leaders to maintain central leader or open vase form.
Flowering
Mid to late spring, 2-3 weeksPink to red blossoms emerge in clusters from buds along branches, typically mid-spring; flowers are highly attractive and fragrant
Ensure compatible pollinator tree is nearby (e.g., Gala, Honeycrisp, or another cross-compatible variety). Avoid frost damage during bloom; provide frost protection if frost threatens. Do not prune during flowering.
Fruit Development & Maturation
Late spring through mid-fall (4-5 months)Small green fruit with red blush develops through summer into full-sized red apples; harvest-ready fruit is deep red externally and red-fleshed internally
Thin fruit to 4-6 inches apart to promote larger, higher-quality apples. Continue regular watering. Apply thinned fruit or fertilizer formulated for fruit production (balanced NPK or slightly higher potassium). Scout for pests and diseases.
Harvest & Dormancy
September-October harvest; dormancy October-MarchRipe apples are ready for harvest in mid-fall; foliage transitions to deep red and burgundy before leaf drop
Harvest when apples separate easily from branch with slight twist. Store at 32-40°F for extended shelf life. Prune lightly to remove dead or diseased wood. Reduce watering as tree enters dormancy.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Pheromone traps, protective bagging of fruit, spinosad spray, removal of infested fruit
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Red sticky ball traps, spinosad spray timing, sanitation of fallen fruit
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Improve air circulation with pruning, sulfur or potassium bicarbonate fungicide, resistant rootstock selection
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Remove infected leaves, copper fungicide, improved drainage and air circulation, resistant cultivars
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Hand-pick in early morning, Japanese beetle traps placed away from tree, neem oil for light infestations
Uses
Fresh eating and distinctive red flesh
CulinaryRedlove Calypso is primarily enjoyed fresh due to its crisp texture, sweet flavor with slight tartness, and visually striking red flesh that makes a stunning presentation in salads and fruit platters. The red pigmentation persists through cooking, making it also suitable for sauces, jams, and baking. [source]
Antioxidant-rich superfruit
MedicinalLike all apples, Redlove Calypso contains beneficial polyphenols and anthocyanins, with the red flesh providing additional anthocyanin content. These compounds support cardiovascular health and may provide anti-inflammatory benefits. [source]
Ornamental tree with year-round color
OrnamentalThis cultivar offers exceptional landscape value with distinctive red-flushed foliage throughout the growing season, attractive pink blossoms in spring, and vibrant deep red fruit and fall color. It functions as a multi-season specimen tree in the garden. [source]
Natural dye source
CraftThe red flesh and skin of Redlove Calypso contain natural pigments that can be extracted for use in natural fabric dyeing, food coloring, and artistic applications. [source]
Pollinator and wildlife support
WildlifeThe abundant pink blossoms attract bees, butterflies, and other pollinators in spring, while the fruit provides food for birds and wildlife in fall and winter. [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 in mid-fall (typically September-October depending on zone) when apples have developed full color and separate easily from the branch with a gentle twist. Redlove Calypso is best harvested when fully mature for maximum sweetness and red coloration. Apples store exceptionally well at 32-40°F for 2-3 months or longer in commercial cold storage.
Fun Facts
- 🌱 Redlove Calypso was developed in Switzerland in the 1990s by crossing standard red-fleshed apple genetics with modern cultivars, creating a true red-fleshed apple with superior flavor and commercial appeal.
- 🌱 The entire plant—foliage, flowers, and fruit—displays red coloration due to anthocyanin pigments, making it one of the most ornamental apple cultivars available and earning it recognition from ornamental horticulture organizations.
- 🌱 Red flesh in apples was once considered a genetic anomaly found only in heirloom Asian varieties like 'Pink Pearl,' but modern breeding programs like those creating Redlove Calypso have popularized this trait in commercial-quality cultivars with excellent flavor and storage life.
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