Overview
Celtica gigantea is a tufted grass in the genus Celtica, part of the Poaceae family, with evergreen foliage. Celtica gigantea grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include architectural, low maintenance and flower borders and beds.
About
Celtica gigantea, commonly called giant feather grass, giant needle grass or golden-oats, is a species of flowering plant in the grass family, Poaceae, native to the Iberian Peninsula and Morocco. Despite being renamed and placed within the genus Celtica, it is still widely referred to—both in horticultural literature and amongst gardeners—by its synonym, Stipa gigantea.
Wikipedia contributors, CC BY-SA 4.0 — Celtica gigantea
Growing conditions
Best soil and position for Celtica
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained or Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Celtica gigantea size, habit and characteristics
- Plant type
- Grass
- Habit
- Tufted
- Foliage
- Evergreen
- Suggested uses
- Architectural, Low Maintenance, Flower borders and beds
Care notes
Pruning and caring for Celtica gigantea
- Propagation
- Seed sown in pots in a cold frame in spring, Division in late winter to early spring
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Celtica gigantea?
Celtica gigantea prefers full sun. It suits sheltered positions.
What soil does Celtica gigantea need?
Celtica gigantea is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained or well-drained.
Is Celtica gigantea hardy in the UK?
Celtica gigantea 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 Celtica gigantea?
Seed sown in pots in a cold frame in spring, Division in late winter to early spring.