Overview
Thlaspi alliaceum is a low-growing, compact annual biennial in the genus Thlaspi, part of the Brassicaceae family, with basal rosettes, lance-shaped leaves foliage. Thlaspi alliaceum grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include alpine gardens, rockeries, troughs and containers.
About
Mummenhoffia alliacea, the garlic pennycress or roadside pennycress, is a species of flowering plant in the family Brassicaceae. It is native to central and southern Europe, and Anatolia, and has been introduced to the United Kingdom and the eastern United States.
About the genus
Thlaspi, or pennycress, is a genus of herbs of temperate regions of the Eurasian continent. They occur in Central and South Europe, South-West Asia and two species are endemic to China. The Thlaspi has been proven to be a hyperaccumulator of heavy metals such as zinc and cadmium and therefore may be used in phytoremediation initiatives.
Wikipedia contributors, "Thlaspi", CC BY-SA 4.0 — Thlaspi
Growing conditions
Best soil and position for Thlaspi
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Thlaspi alliaceum size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Low-growing, compact
- Foliage
- Basal rosettes, lance-shaped leaves
- Suggested uses
- Alpine gardens, rockeries, troughs, containers
Care notes
Pruning and caring for Thlaspi alliaceum
- Propagation
- Seed, division
- Pest resistance
- Generally pest-resistant
- Disease resistance
- Generally disease-resistant
Frequently asked questions
Where is the best place to plant Thlaspi alliaceum?
Thlaspi alliaceum prefers full sun. It suits sheltered positions.
What soil does Thlaspi alliaceum need?
Thlaspi alliaceum grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Thlaspi alliaceum hardy in the UK?
Thlaspi alliaceum has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Thlaspi alliaceum?
Seed, division.
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