Also known as American Red Raspberry · Common Red Raspberry · European Raspberry
Rubus idaeus, the red raspberry, is a popular fruiting shrub known for its delicious berries and adaptability to various garden settings.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Requires at least 6-8 hours of direct sunlight daily for best fruit production and plant health.
Consistent Moisture
75% intensity
Keep soil evenly moist, especially during fruit development. Avoid waterlogged conditions.
Loam, Sandy Loam, Clay Loam
50% intensity
Hardy
50% intensity
Tolerates a wide range of temperatures, but requires chilling hours for optimal fruiting. Protect from extreme heat and frost during critical growth stages.
Moderate
50% intensity
Benefits from balanced fertilizer in spring and a post-harvest application of potassium-rich fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | Yes |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Red raspberries prefer consistently moist soil, especially during fruiting. Water deeply at the base of the plant, avoiding overhead watering which can promote disease.
Allow the top 2-3 cm of soil to dry slightly between waterings. Reduce watering in late fall to help the plant harden off for winter.
Prune primocanes (new canes) in late winter or early spring before new growth begins. Remove any dead, damaged, or weak canes. For summer-bearing varieties, prune floricanes (second-year canes) after they have fruited.
Autumn-bearing types can be pruned in late winter to the ground for fall harvest.
Red raspberries are easily propagated by root cuttings or by transplanting suckers that naturally emerge from the parent plant's root system.
In late winter or early spring, dig up young suckers or cut sections of root (about 10-15 cm long) and replant them in well-prepared soil. They can also be grown from seed, but this is less common.
Repotting is generally not applicable to established outdoor red raspberry plants as they are perennial shrubs that grow best in the ground. For container-grown raspberries, repotting might be necessary every 2-3 years into a larger container (at least 30-40 cm in diameter) with fresh potting mix, preferably in early spring before new growth starts.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Red Raspberry (Rubus idaeus)
Where Red Raspberry (Rubus idaeus) is found
Density
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7 known issues from plant disease data
Anthracnose on Caneberries causes small sunken purple cane spots that turn gray in the center, weaken canes, and can leave berries unevenly ripe.
Phytophthora Root Rot in Caneberries causes leaves to yellow or bronze, canes to wilt and die, and fruit to stay small or wither before ripening.
Botrytis Fruit Rot on Caneberries rots berries with gray fuzzy growth, and infected fruit may dry, mummify, and remain attached to the plant.
Crown Gall on Caneberries forms rough swollen galls on roots, crown, or canes, weakening plants and causing stunting, wilting, or small seedy fruit.
Cane Blight on Caneberries causes flattened cracked lesions on wounded canes, girdling them so fruiting canes weaken, break easily, and die back.
Spur Blight on Caneberries causes brown V-shaped leaf lesions and purple-brown cane patches around buds, leaving lower canes bare and unfruitful.
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Rubus |
| Species | Rubus idaeus |
Similar in genus Rubus
Answers based on plant encyclopedia data
