Nasturtium
Plant·Tropaeolum majus
Full sun
Sun
Medium
Water
Well-drained soil
Drainage
Zones 9–11
Hardiness
Nasturtium (Tropaeolum majus) is a plant. It grows best in full sun and has moderate water needs. It grows well with tomato, courgette marrow and cabbage.
Through the year
Out of seasonLeafing outFruitingFloweringDying back
Works well with
from wiki dataWHAT IT NEEDS
Wants full sun
Needs moderate water
Needs well-drained soil
Prefers soil pH 6–7
Show moreShow less
Prefers loam, sandy loam soil
Struggles in compacted soil
Adds a moderate amount of organic matter to the soil
WHAT IT GIVES
Gives mulch biomass (medium)
Gives nectar (abundant)
Gives pollen (abundant)
Attracts pollinators
Attracts pest insects
HOW IT GROWS
SIZE & SPACING
Ground cover
Height30–60 cm
Spacing30 cm (min 20 cm)
Root depthShallow
Width30–90 cm
Width figures are rough estimates, the most variable measurement in our data.
AI estimate · accuracy improves as growers contribute corrections.
HOW TO PROPAGATE
Propagate by seed
Difficulty
Establishes in about 1 yr
Self-seeds readily on its own
Where this comes from
Parsed11 Sept 2026
ConfidenceNot recorded