Crocus vernus
Crocus vernus
The Dutch crocus is the large-flowered crocus most people recognise, producing bold goblets of purple, white, or striped flowers in March and April. Excellent for naturalising in lawns where they create a stunning spring carpet. Widely available and inexpensive. Each corm multiplies to form clumps over time in UK gardens.
Where to plant
Best aspect
Border position
When to plant and expect flowers
Plant
Flowers
How to grow crocus vernus
Plant 8-10cm deep in autumn, spacing 8cm apart. Perfect for naturalising in lawns — delay mowing until foliage dies back in late April. Also excellent in borders and pots. Available in single colours and striped varieties.
Soil requirements
Soil type
loam, sand, chalk, clay
Moisture
well drained
pH
neutral, alkaline
Aftercare
Do not mow naturalised crocuses in lawns until at least six weeks after flowering. Allow foliage to yellow completely before cutting.
Propagation
- Offsets in autumn
- Seed
Wildlife value
Toxicity
This bulb is not known to be toxic to pets or people.
Common problems
- Squirrels digging up corms
- Birds pecking yellow flowers
- Crocus rot
Similar bulbs to grow
Related guides
Air-Purifying Houseplants UK
What the science really says about air-purifying houseplants, plus 10 best low-care UK varieties, pet-safe picks, and how to truly clean indoor air.
Allium White Rot: The 20-Year Soil Problem
Allium white rot UK identification and prevention. Sclerotia persist 20+ years. Covers symptoms, spread, decoy planting, and raised bed workarounds.
Allotment Planner: Month-by-Month
Month-by-month allotment planner for UK growers. Sowing, planting, harvesting and maintenance tasks for every month, tested on heavy clay over 7 seasons.