Overview

Crocus kosaninii is a tufted bulbs in the genus Crocus, part of the Iridaceae family, with deciduous foliage. Crocus kosaninii grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include borders, containers, lawns and under deciduous trees.

About

Crocus kosaninii, known as Kosanin’s crocus, is a tufted cultivar of the Crocus genus, which comprises small, deciduous perennials growing from corms. This cultivar features narrow leaves and goblet-shaped flowers that appear in spring and summer. It thrives in full sun on south-facing, sheltered sites with well-drained, neutral loam soil. Hardy to UK zone H6, Crocus kosaninii is suited to borders, containers, lawns, and planting under deciduous trees. It is propagated by division or cormlets and requires planting at the appropriate depth in well-drained soil.

About the genus

Crocus is a genus of seasonal flowering plants in the family Iridaceae comprising about 100 species of perennials growing from corms.

Wikipedia contributors, "Crocus", CC BY-SA 4.0Crocus

Growing conditions

Best soil and position for Crocus

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Crocus kosaninii size, habit and characteristics

Plant type
Bulbs
Habit
Tufted
Foliage
Deciduous
Suggested uses
Borders, containers, lawns, under deciduous trees

Care notes

Pruning and caring for Crocus kosaninii

Propagation
Division, cormlets
Pest resistance
Rodents, birds
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Crocus kosaninii?

Crocus kosaninii prefers full sun. It suits sheltered positions.

What soil does Crocus kosaninii need?

Crocus kosaninii grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Crocus kosaninii hardy in the UK?

Crocus kosaninii has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Crocus kosaninii?

Division, cormlets.

More in the Crocus genus

Browse all Crocus