Species Crocus, Dutch Crocus, Spring Crocus
Crocusflavus

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Crocus (KROH-kus)
Species: flavus (FLA-vus)

Synonym:Crocus aureus

Synonym:Crocus floribundus

Synonym:Crocus lacteus

Synonym:Crocus lageniflorus

Synonym:Crocus luteus

Category
Bulbs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
under 6 in. (15 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger
N/A

Bloom Color
Gold (yellow-orange)
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Late Winter/Early Spring

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible