Also known as Common Crocus · Early Crocus · Garden Crocus
Safety note: This plant may be toxic to humans and pets. See toxicity details.
Dutch Crocus (Crocus vernus) is a cheerful spring-blooming corm producing goblet-shaped flowers in vibrant colors, perfect for early season garden color and naturalizing.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers locations that receive at least six hours of direct sunlight daily.
Moderate
50% intensity
Keep soil consistently moist during growth, reduce as foliage dies back.
Well-drained, sandy loam
50% intensity
Cool to Moderate
50% intensity
Requires a period of winter chill for proper dormancy and blooming. Optimal growth between 10-18°C.
Low
25% intensity
A balanced, low-nitrogen fertilizer applied in autumn and early spring is sufficient.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 2/5 intensity |
| Toxic for pets | Yes 3/5 intensity |
| Edible | No |
Bulbs are toxic if ingested, causing gastrointestinal upset. Flowers and corms also contain toxic compounds.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly after planting bulbs in autumn. During the growing season (late winter to spring), keep the soil consistently moist but not waterlogged.
Reduce watering as the foliage begins to yellow and die back in late spring or early summer, allowing the bulbs to dry out.
Remove spent flower stalks as soon as they fade to prevent energy from being diverted to seed production. Allow the foliage to remain and continue photosynthesizing until it naturally yellows and dies back.
Cutting the foliage too early will weaken the bulb for the following season.
Crocus bulbs naturally multiply over time, forming clumps. To propagate, carefully dig up the dormant bulbs in summer after the foliage has completely died back.
Separate any offsets (smaller bulbs attached to the mother bulb) and replant them individually in autumn. This process encourages more blooms.
Crocus bulbs do not typically require repotting unless they are grown in containers. If grown in pots, they can be left undisturbed for several years until the clump becomes overcrowded.
In summer, after foliage has died back, the bulbs can be lifted, divided if necessary, and replanted into fresh potting mix.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Dutch Crocus (Crocus vernus)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Iridaceae |
| Genus | Crocus |
| Species | Crocus vernus |
Similar in genus Crocus
Answers based on plant encyclopedia data
