Leadplant is grown for its foliage and the structure it brings to a planting. Notably, it shrugs off deer and shrugs off dry spells. Its flowers are a real draw for native bees and butterflies. A nitrogen-fixer, it draws nitrogen from the air and feeds it back to the soil — turn it under or leave the roots in place, and the next planting inherits a richer bed.
Zones
Data not available
pH Range
6-8
Sun
Full Sun
Days to Maturity
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What Leadplant is
Leadplant grows as a perennial and reaches around three feet at maturity. It blooms purple from spring through summer. It's also deer-resistant.
How to grow Leadplant
Leadplant does best in full sun — at least 6 hours of direct sun a day — and soil from pH 6 to 8, on well-drained ground. It needs a growing season of at least 60 frost-free days, which is why climate matters as much as soil.
USDA Zones
Data not available
USDA PHZM 2023
Soil pH
6 - 8
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Mature Height
3 ft
plant_species_v5.csv
Frost-Free Days
60+
plant_species_v5.csv
Start the season right
Plant leadplant in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Leadplant prefers pH 6 to 8 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band. It fixes its own nitrogen, so skip the high-nitrogen feed and instead dust the seed with a matching rhizobium inoculant at sowing.
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 leadplant 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
Good news for pet owners — leadplant isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Leadplant is a standout pollinator plant — high value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Leadplant thrives
Whether leadplant 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 Leadplant will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether leadplant 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 Leadplant in my zone?
Zone data for leadplant is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.
When should you plant Leadplant?
Most growers plant leadplant after the last spring frost, once the soil has warmed, leaving enough of the season for its 60-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 Leadplant need?
Leadplant needs full sun — a spot that catches at least 6 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 Leadplant need?
Leadplant prefers soil pH 6 to 8, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Leadplant attract pollinators?
Yes — leadplant's flowers are a strong nectar and pollen source for native bees and butterflies (Xerces Society, Pollinator Partnership).
Is Leadplant safe for pets?
Leadplant is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.