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Sweet pea

Lathyrus odoratus

Also called Sweetpea

Garden plant · Climbers

PICK IT OR IT STOPS. Every pod it is allowed to set tells the plant its year is done, and a row left unpicked for a fortnight in July never flowers again.

Care at a glance

Ease
Medium
Water
Every 2 daysWater the ground — water at the base, in the morning, not over the leaves.
Light
Full sun to light shade
Feed
Once a fortnight
Humidity
Average
Hardiness
Half-hardy — a light frost RHS H3, to -5°C
Size
1.8 m tall · 0.3 m across
Lifecycle
Annual
Origin
Sicily and southern Italy

Is it safe for pets and people?

PetsToxic to pets
PeopleHarmful if eaten

The pods and seeds.

HandlingTake care handling it

RHS says to wear gloves and other protective equipment when handling it.

Checked against ASPCA and RHS on 2026-08-03.

A guide, not veterinary or medical advice. If a pet or a person has eaten a plant and you are worried, call your vet or doctor now — don’t wait for signs to appear. Spotted a mistake? Tell us.

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