Common Name:

Dutch crocus

Type:

Bulb

Family:

Iridaceae

Native Range:

Eastern Europe, western-Russia

Zone:

3 to 8

Height:

0.25 to 0.50 feet

Spread:

0.25 to 0.50 feet

Bloom Time:

April

Bloom Description:

Purple or white

Sun:

Full sun to part shade

Water:

Medium

Maintenance:

Low

Suggested Use:

Naturalize

Flower:

Showy

Tolerate:

Deer, Clay Soil, Black Walnut

Culture

Easily cultivated in average, medium-moisture, well-drained soils under full sun to partial shade.

Optimal performance is achieved in gritty, well-drained soils, while heavy clay or overly moist conditions should be avoided. Plant corms in the fall, about 3-4 inches deep and spaced 3-6 inches apart. When planted in lawns, it is important to leave the foliage unmowed until it yellows, approximately six weeks after blooming. Corms should be divided every 4-5 years. Crocus vernus thrives in open sunny grassy areas, borders, and beds, and naturalizes effectively over time. During late spring dormancy, watering should be minimized, and dry soils are preferable.

Noteworthy Characteristics

Dear Lykkers, crocus vernus is a spring-blooming bulb (technically a corm) native to high alpine regions of Europe, such as the Pyrenees, Alps, and Carpathians. Numerous hybrids of this species have been developed, making it popular in gardens. Known as Dutch crocus, large-flowering crocus, giant crocus, or spring crocus, it blooms for about three weeks in early spring, typically starting in late March in temperate regions. Flowers close at night and during rainy or cloudy weather but open in the morning under the sun. Its basal, grass-like leaves turn yellow as the plant enters dormancy several weeks after blooming.

The genus name "Crocus" originates from the ancient Greek word krokos, referencing saffron (Crocus sativus). The specific epithet "vernus" means spring, highlighting its springtime flowering.

Problems

Crocus vernus has no significant insect or disease issues. However, squirrels, mice, and other rodents may pose a problem, especially with newly planted corms. Squirrels are particularly skilled at locating and digging up these corms.

Uses

Crocus vernus adds vibrant early spring color to landscapes. It is ideal for mass plantings in lawns, under trees, or in sunny woodland settings. Sweeping drifts of this crocus can create a stunning visual impact. It also works well in rock gardens, borders, beds, and naturalized areas. Planting in front of shrubs, along walkways, or in small spaces around homes enhances its ornamental value.