trefle.io · Taken Jun 28, 2021 by Alain Bigou (cc-by-sa)
Fabaceae
Thorny restharrow
Ononis spinosa
Also known as Anonis spinosa, Bonaga spinosa, Common restharrow, Ononis spinosa
Native Plants · Nitrogen Fixing · Drought Tolerant · Thorny · Legume · Medicinal · Alkaline Soil · Pollinators · Restharrow
Thorny restharrow is a drought-tolerant legume that fixes nitrogen in the soil and attracts beneficial pollinators. Plant in well-draining, alkaline soil and avoid overwatering as it prefers drier conditions. This spiny perennial requires occasional pruning to manage its thorny growth habit.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply but infrequently, allowing soil to dry between waterings · Every 10-14 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5.5–8
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-10b
Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 3 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, Finland, France, Germany, Great Britain, Greece
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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