Sweet Pea

Lathyrus odoratus

flower

An annual climbing vine producing fragrant, butterfly-shaped flowers in a wide range of colors. Sweet peas bloom prolifically when deadheaded regularly and prefer cool growing conditions, making them ideal for spring and autumn gardens.

Common Problems

Select the problem your Sweet Pea is experiencing to get a treatment guide.

warning

Powdery Mildewchevron_right

Yellowing Leaveschevron_right

warning

Slow Growthchevron_right

Care Guide

light_mode

Light

Full sun (6–8 hours daily) promotes flowering; tolerates partial shade in hot climates.

water_drop

Water

Water regularly and deeply, 1–2 inches per week. Keep soil consistently moist but not waterlogged; avoid wetting flowers.

compost

Soil

Well-draining, fertile loam enriched with compost or well-rotted manure. pH 6.0–7.0 is ideal.

science

Fertiliser

Apply balanced fertilizer (10-10-10) monthly or use slow-release granules at planting; avoid excess nitrogen.

thermometer

Temperature

Cool-season annual; prefers temperatures 55–70°F. Plant in early spring or fall; struggles in hot summers.

humidity_percentage

Humidity

Moderate humidity preferred. Ensure good air circulation to prevent fungal diseases.

Toxicity

dangerousToxic to CatsdangerousToxic to DogsdangerousToxic to Children

Seeds and pods contain lathyrogens, which are toxic if ingested in quantity. Can cause lathyrism (neurolathyrism) with prolonged consumption.

Common Diseases

coronavirusPowdery Mildewchevron_right coronavirusGrey Mouldchevron_right coronavirusLeaf Spotchevron_right

Common Pests

pest_controlAphidschevron_right pest_controlThripschevron_right pest_controlSpider Miteschevron_right

Seasonal Care

local_floristspring

Resume regular watering and feeding as growth picks up.

light_modesummer

Peak growing season. Water and feed regularly.

ecoautumn

Reduce watering as growth slows. Stop heavy feeding.

ac_unitwinter

Minimal watering and feeding. Protect from frost if needed.