Ranunculus ficaria 'cupreus'
Pronunciation: Uh-nunk-you-luss fye-kair-ee-uh
Family: Ranunculaceae
Synonym: Ranunculus ficaria f. Aurantiacus
Common Name: Cupreus lesser celandine, pilewort, woodland buttercup
Cultivar: Cupreus
Plant Type:
- perennial
- bulb, tuber, corm
Height to: 2 to 4 in
Width to: 12 in
USDA Hardiness Zones:
- -20 to -30ºF ZONE 4
- -10 to -20ºF ZONE 5
- 0 to -10ºF ZONE 6
- 10 to 0ºF ZONE 7
- 20 to 10ºF ZONE 8
Sun Exposure:
- full shade
- part sun
Bloom Season:
- early spring
Bloom Description: Cupreus lesser celandine (ranunculus ficaria) bears usually solitary, shallowly cup shaped, 3/4-1 1/4" across, deep coppery orange blooms
Soil Type: Moist, humus rich soil
Toxic:
- Yes
Plant Perks:
- Container Gardening
- Deer Resistant
Pests and Diseases: Susceptible to viruses, bacterial spots, downy mildew, powdery mildew, rust, leaf smut, and a few fungal spots. Slugs, snails, leaf miners, spider mites, and aphids also cause problems indoors.
Propagation: Sow cupreus lesser celandine (ranunculus ficaria) seed as soon as ripe or divide in spring or autumn
Winter Sowing Zones: Zones 4-8
Notes for Identification: Cupreus lesser celandine (ranunculus ficaria) is a very variable, tuberous perennial with long stalked, broadly heart shaped, glossy, silvery green, basal leaves, 3/4-2" long, with a bronze central mark and scalloped or toothed margins. Pollinated by bees, flies, beetles, lepidoptera. Can be toxic to livestock: it is avoided by livestock when fresh, but when the plant dries the toxin is lost, so hay containing the plant is safe for animal consumption. Source: the american hort society a-z encyclopedia of garden plants and others
USDA Heat Zones (days above 86ºF):
- Less then 1 day ZONE 1
- 1 to 7 days ZONE 2
- 7 to 14 days ZONE 3
- 14 to 30 days ZONE 4
- 30 to 45 days ZONE 5
- 45 to 60 days ZONE 6
- 60 to 90 days ZONE 7
- 90 to 120 days ZONE 8
Submitted by: Kym
Seed photo: 0
Seed Label: 0
Located in: Bulbs, Tubers, Corms