Ranunculus is grown for its root. It's hardy across USDA zones 8 through 10 and stands up to deer. Its summer flowers are a moderate draw for honeybees and native bees, even though the root is the prize.
Zones
8-10
pH Range
---
Sun
Part Sun
Days to Maturity
---
Score Ranunculus on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether ranunculus actually takes — and those shift from one yard to the next. Enter your address and we'll score ranunculus against your land's real conditions.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
See Ranunculus
What Ranunculus is
Ranunculus reaches around a foot and a half at maturity. It blooms in summer. It's also deer-resistant.
How to grow Ranunculus
Ranunculus grows in USDA zones 8 through 10. Ranunculus does best in part sun — at least 4 hours of direct sun a day.
USDA Zones
8-10
USDA PHZM 2023
Soil pH
Data pending
USDA PLANTS Database
Sun
Part Sun
Growable Ground plant catalog
Drainage
Data pending
Growable Ground plant catalog
Mature Height
1.5 ft
Growable Ground plant catalog
Frost-Free Days
0+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Sow directly
Sow ranunculus seed straight into the bed — root crops germinate fast and resent transplanting. Give them part sun.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match ranunculus's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.
Harvest at maturity
Pull while roots are young and tender — sweeter than oversized ones. Local Cooperative Extension guides publish timing tables.
Good to know
One caution for pet owners — ranunculus is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Ranunculus offers moderate value to bees and other pollinators.
Where Ranunculus thrives
Ranunculus is hardy across USDA zones 8 through 10. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 8–10·Where Ranunculus growsOpen map →
On USDA hardiness-zone overlap, Ranunculus can grow in these states:
See if Ranunculus will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether ranunculus actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources analyzed in seconds
Frequently Asked Questions
Can I grow Ranunculus in my zone?
Ranunculus grows in USDA hardiness zones 8 through 10 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Ranunculus?
Time ranunculus to your own season rather than the calendar. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Ranunculus need?
Ranunculus does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Ranunculus need?
Specific pH data for ranunculus is pending. A soil test from your local Extension lab confirms what your site needs.
Does Ranunculus attract pollinators?
Yes — ranunculus's flowers are a solid nectar source for honeybees and native bees.
Is Ranunculus safe for pets?
Ranunculus is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)