Plant Type:

• bulb, tuber, corm

USDA Hardiness Zones:

• 10 to 0ºF ZONE 7
• 20 to 10ºF ZONE 8
• 30 to 20ºF ZONE 9
• 40 to 30ºF ZONE 10
• 50 to 40ºF ZONE 11

Sun Exposure:

• full sun

Bloom Season:

• late spring
• early summer

Pests and Diseases: Persian buttercup (ranunculus asiaticus) is susceptible to viruses, bacterial spots, downy mildew, powdery mildew, rust, leaf smut, and a few fungal spots. Slugs, snail, leaf miners, spider mites, and aphids also cause problems outdoors.

Notes for Identification: Persian buttercup (ranunculus asiaticus) is a tuberous, fibrous-rooted perennial with long stalked, broadly ovate to rounded, deeply 3 lobed, hairy, pale to dark green, basal leaves, to 5 1/2" long, the lobes further subdivided and toothed. Plant persian buttercup (ranunculus asiaticus) tubers 2” deep and 6-8” apart, with root claws down, in spring several weeks before the last frost date. Where not hardy, remove after flowers fade and dormancy sets in and store in a frost free location. Source: various sources including the american horticultural society a to z encyclopedia of garden plants and the usda  pin it

USDA Heat Zones (days above 86ºF):

• 60 to 90 days ZONE 7
• 90 to 120 days ZONE 8
• 120 to 150 days ZONE 9
• 150 to 180 days ZONE 10
• 180 to 210 days ZONE 11
• Greater then 210 ZONE 12