Rattlesnake Master is a perennial grown for its blooms, which open in summer and return year after year. Notably, it shrugs off deer and shrugs off dry spells. Its summer flowers are a real draw for honeybees, native bees, and butterflies.
Zones
Data not available
pH Range
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Sun
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Days to Maturity
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What Rattlesnake Master is
Rattlesnake Master grows as a perennial and reaches around four feet at maturity. It blooms in summer. It's also deer-resistant.
How to grow Rattlesnake Master
Rattlesnake Master prefers well-drained ground.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
Data pending
USDA PLANTS Database
Sun
Data pending
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Mature Height
4 ft
plant_species_v5.csv
Frost-Free Days
0+
plant_species_v5.csv
Start the season right
Plant rattlesnake master 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 rattlesnake master'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 rattlesnake master blooms in the cool of the morning, just as they open, for the longest display.
Good to know
Good news for pet owners — rattlesnake master isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Rattlesnake Master is a standout pollinator plant — high value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Rattlesnake Master thrives
Whether rattlesnake master 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 Rattlesnake Master will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether rattlesnake master 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 Rattlesnake Master in my zone?
Zone data for rattlesnake master is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
When should you plant Rattlesnake Master?
Most growers plant rattlesnake master 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.
What soil does Rattlesnake Master need?
Specific pH data for rattlesnake master is pending. It prefers well-drained ground. A soil test from your local Extension lab confirms what your site needs.
Does Rattlesnake Master attract pollinators?
Yes — rattlesnake master's flowers are a strong nectar and pollen source for honeybees, native bees, and butterflies (Xerces Society, Pollinator Partnership).
Is Rattlesnake Master safe for pets?
Rattlesnake Master is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.