Overview
Stipa joannis is a clump-forming grass in the genus Stipa, part of the Poaceae family, with linear leaves foliage. Stipa joannis grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders and prairie-style plantings.
About
Stipa joannis is a clump-forming grass cultivar within the Stipa genus, known for its perennial grasses with arching, linear leaves. It thrives in full sun on well-drained, neutral loam soil, ideally in a sheltered, south-facing aspect. This cultivar is hardy to UK zone H4 and is suitable for borders and prairie-style plantings. It produces narrow panicles with spikelets and long awns during summer and autumn, offering seasonal interest from spring through autumn.
About the genus
Stipa is a genus of about 140 species of large perennial hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, which also contains many species formerly assigned to Stipa, which have since been reclassified into new genera.
Wikipedia contributors, "Stipa", CC BY-SA 4.0 — Stipa
Growing conditions
Best soil and position for Stipa
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Stipa joannis size, habit and characteristics
- Plant type
- Grass
- Habit
- Clump-forming
- Foliage
- Linear leaves
- Suggested uses
- Borders, prairie-style plantings
Care notes
Pruning and caring for Stipa joannis
- Propagation
- Division, seed
- Pest resistance
- Generally pest-resistant
- Disease resistance
- Generally disease-resistant
Frequently asked questions
Where is the best place to plant Stipa joannis?
Stipa joannis prefers full sun. It suits sheltered positions.
What soil does Stipa joannis need?
Stipa joannis grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Stipa joannis hardy in the UK?
Stipa joannis has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Stipa joannis?
Division, seed.
