Purple Coneflower is grown for its blooms, which open in summer | flower_color: purple. Notably, it shrugs off deer and shrugs off dry spells. Its summer | flower_color: purple flowers are a real draw for honeybees, native bees, and butterflies.
Zones
Data not available
pH Range
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Sun
Full Sun
Days to Maturity
120
Score Purple Coneflower on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether purple coneflower actually takes — and those shift from one yard to the next. Enter your address and we'll score purple coneflower against your land's real conditions.
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See Purple Coneflower
What Purple Coneflower is
Purple Coneflower reaches around three feet at maturity. It blooms in summer | flower_color: purple. It's also deer-resistant.
How to grow Purple Coneflower
Purple Coneflower does best in full sun, on well-drained ground. It needs around 2,200 growing degree days to mature, which is why climate matters as much as soil.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
Data pending
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Days to Maturity
120 days
Purple coneflower; cold strat 30-60d.
PrairieMoon; USDA-NRCS
GDD Required
2200+
plant_species_v5.csv
Mature Height
3 ft
plant_species_v5.csv
Start the season right
Plant purple coneflower in full sun, once the soil has warmed and frost risk has passed.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match purple coneflower's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at its peak
Cut purple coneflower blooms in the cool of the morning, just as they open, for the longest display.
Good to know
Good news for pet owners — purple coneflower isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Purple Coneflower is a standout pollinator plant — high value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Purple Coneflower thrives
Whether purple coneflower thrives on a given site comes down to its soil pH, drainage, sun, and frost dates — the conditions that vary parcel to parcel.
See if Purple Coneflower will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether purple coneflower 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.
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Frequently Asked Questions
Can I grow Purple Coneflower in my zone?
Zone data for purple coneflower is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
When should you plant Purple Coneflower?
Most growers plant purple coneflower after the last spring frost, once the soil has warmed. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Purple Coneflower need?
Purple Coneflower needs full sun — a spot that catches six or more hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Purple Coneflower need?
Specific pH data for purple coneflower is pending. It prefers well-drained ground. A soil test from your local Extension lab confirms what your site needs.
Does Purple Coneflower attract pollinators?
Yes — purple coneflower's flowers are a strong nectar and pollen source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Purple Coneflower safe for pets?
Purple Coneflower is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.