Raspberry

Rubus idaeus

BerriesPerennialFrost Hardy

Cane fruit available in summer-fruiting and autumn-fruiting varieties. Prune old canes after harvest to keep the patch productive.

Overview

SunFull Sun

WaterMediumCalculate watering amount

Height100–200 cm

Spread45 cm

Spacing75 cm

Row Spacing250 cm

Germination21–42 days

To Harvest365–540 days

Companion Planting

Good Companions

Garlic Marigold

Bad Companions

Potato Blackberry

Toxicity

SeverityNon-toxic

Raspberries are non-toxic to humans, dogs, and cats; fruits and leaves are safe, though leaves are sometimes used in herbal teas.

Planting Tips

LocationFull sun (6-8 hours daily); sheltered from strong winds; avoid sites where previous Rubus or Solanaceae crops grew to reduce disease risk.

SoilSlightly acidic (pH 5.5-6.5), well-drained, humus-rich loam; amend heavy clay with compost and avoid waterlogged ground.

Planting Depth8 cm

WateringKeep soil consistently moist, especially during fruiting; provide about 2.5 cm of water per week and use mulch to retain moisture.

1 cm of water per m² equals 10 liters. Use the Watering Calculator for exact amounts.

FertilizingApply a balanced fertilizer (10-10-10) in early spring; side-dress with compost or well-rotted manure annually.

Care Tip: Prune summer-bearing varieties after harvest by removing fruited canes at ground level; train new canes to a trellis or wire support.

Common Pests

Raspberry Beetle (Byturus tomentosus)

Symptoms: Small brown beetles feed on flowers; larvae bore into fruit causing deformed, maggoty berries.

Treatment: Hand-pick adults at flowering; apply approved insecticide at first pink-fruit stage if infestation is heavy.

Prevention: Cultivate soil around canes in winter to expose overwintering pupae; use pheromone traps to monitor populations.

Spider Mites (Tetranychus urticae)

Symptoms: Fine webbing on leaf undersides; yellow stippling and bronzing of leaves, reduced vigor in hot dry weather.

Treatment: Spray with insecticidal soap or neem oil, ensuring thorough coverage of leaf undersides; introduce predatory mites (Phytoseiulus persimilis).

Prevention: Maintain adequate irrigation and humidity; avoid excessive nitrogen fertilization that promotes lush growth attractive to mites.

Aphids (Amphorophora idaei)

Symptoms: Colonies on shoot tips and leaf undersides cause curling leaves, sticky honeydew, and can transmit raspberry mosaic viruses.

Treatment: Blast off with a strong water jet; apply insecticidal soap or neem oil for heavy infestations.

Prevention: Plant aphid-resistant cultivars; encourage natural predators such as ladybirds and lacewings.

Common Diseases

Gray Mold (Botrytis cinerea)

Symptoms: Fuzzy gray fungal growth on ripening fruit; berries become soft, mushy, and covered in mold, especially in wet weather.

Treatment: Remove and destroy infected fruit promptly; apply an approved fungicide at flowering if conditions favor the disease.

Prevention: Ensure good air circulation by proper spacing and pruning; avoid overhead watering and harvest fruit promptly when ripe.

Raspberry Cane Blight (Paraconiothyrium fuckelii)

Symptoms: Dark brown lesions at the base of canes that spread upward; affected canes wilt, become brittle, and die back in summer.

Treatment: Cut out and burn infected canes well below visible lesions; apply a copper-based fungicide to pruning wounds.

Prevention: Avoid damaging canes during cultivation; prune in dry weather and disinfect tools between cuts.

Phytophthora Root Rot (Phytophthora fragariae var. rubi)

Symptoms: Wilting and yellowing of leaves despite adequate watering; stunted growth, dark discolored roots, and eventual plant death.

Treatment: Remove and destroy severely affected plants; improve drainage and apply a phosphonate-based fungicide to remaining plants.

Prevention: Plant in well-drained soil or raised beds; choose resistant rootstocks and avoid planting in previously infected ground.

📋Overview

🤝Companion Planting