How much sun does London Rocket need?

London Rocket grows best in full sun conditions.

When does London Rocket bloom?

London Rocket blooms in March, April, and May.

Where is London Rocket native?

London Rocket (Sisymbrium irio) is native to NV, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does London Rocket attract?

London Rocket draws bees and beetles.

Is London Rocket HOA-friendly?

London Rocket takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

London Rocket

Name: Pollinator Patch
Author: Pollinator Patch

Sisymbrium irio

Last reviewed: June 2026

Light

full sun

Water

low

Size

8"–24" H × 6"–12" W

Bloom

Mar, Apr, May

Native to

Pollinators

bees, beetles

Browse plants for this ecoregion

Sierra Nevada Central California Valley Central California Foothills and Coastal Mountains Southern California Mountains Central Basin and Range Mojave Basin and Range Chihuahuan Deserts Central Oklahoma/Texas Plains Edwards Plateau Southern Texas Plains Western Gulf Coastal Plain Sonoran Basin and Range

London rocket is a small annual wildflower that grows 8-24 inches tall with delicate yellow flowers in spring. This drought-tolerant plant thrives in full sun and requires minimal water once established. It completes its life cycle in one year and readily self-seeds in suitable conditions.

In an HOA neighborhood

London Rocket takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Considered a weedy species that can spread aggressively
Dies back completely after flowering, leaving bare patches
May be viewed as unkempt or unintentional growth

Wildlife value

The spring blooms attract bees and beetles during the March through May flowering period. As an annual, it provides seasonal nectar resources for early spring pollinators.

Common questions

How much sun does London Rocket need?: London Rocket grows best in full sun conditions.
When does London Rocket bloom?: London Rocket blooms in March, April, and May.
Where is London Rocket native?: London Rocket (Sisymbrium irio) is native to NV, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does London Rocket attract?: London Rocket draws bees and beetles.
Is London Rocket HOA-friendly?: London Rocket takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow London Rocket? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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