Piedmont Azalea is grown for its foliage and the structure it brings to a planting. Its spring flowers are a moderate draw for honeybees, native bees, and butterflies.
Zones
Data not available
pH Range
4.5-6
Sun
Part Sun
Days to Maturity
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Zone averages can't see the slope, soil, frost, and sun that decide whether piedmont azalea actually takes — and those shift from one yard to the next. Enter your address and we'll score piedmont azalea against your land's real conditions.
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What Piedmont Azalea is
Piedmont Azalea grows as a perennial and reaches around ten feet at maturity. It blooms pink in spring.
How to grow Piedmont Azalea
Piedmont Azalea does best in part sun — at least 4 hours of direct sun a day — and soil from pH 4.5 to 6, on well-drained ground. It needs a growing season of at least 120 frost-free days, which is why climate matters as much as soil.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
4.5 - 6
USDA PLANTS Database
Sun
Part Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Mature Height
10 ft
plant_species_v5.csv
Frost-Free Days
120+
plant_species_v5.csv
Start the season right
Plant piedmont azalea in part sun with at least 4 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Piedmont Azalea prefers pH 4.5 to 6 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Keep it in good form
Prune piedmont azalea to shape as it grows; the reward is its foliage and structure, not a harvest, so steady upkeep is the whole job.
Good to know
One caution for pet owners — piedmont azalea is toxic to dogs and cats and horses (severe severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Piedmont Azalea offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Piedmont Azalea thrives
Whether piedmont azalea 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 Piedmont Azalea will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether piedmont azalea actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Piedmont Azalea in my zone?
Zone data for piedmont azalea is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
When should you plant Piedmont Azalea?
Most growers plant piedmont azalea after the last spring frost, once the soil has warmed, leaving enough of the season for its 120-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Piedmont Azalea need?
Piedmont Azalea 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 Piedmont Azalea need?
Piedmont Azalea prefers soil pH 4.5 to 6, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Piedmont Azalea attract pollinators?
Yes — piedmont azalea's flowers are a solid nectar source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Piedmont Azalea safe for pets?
Piedmont Azalea is toxic to pets (dogs,cats,horses) with severe severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency.