Bottlebrush Buckeye is a tree, a long-term addition to the landscape. It's hardy across USDA zones 5 through 8 and shrugs off deer. Its summer flowers are a moderate draw for honeybees, native bees, and hummingbirds.
Bottlebrush Buckeye — the short answer
Bottlebrush Buckeye: grown in zones 5–8, shade, pH 5–7.5.
- USDA zones
- 5–8
- Hardy to zone 5a — NC State Extension Gardener Plant Toolbox.
- Soil pH
- 5–7.5
- Growable Ground Plant Database
- Sun
- Shade
- Growable Ground Plant Database
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.
Score Bottlebrush Buckeye on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether bottlebrush buckeye actually takes — and those shift from one yard to the next. Enter your address and we'll score bottlebrush buckeye against your land's real conditions.
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What Bottlebrush Buckeye is
Bottlebrush Buckeye grows as a perennial and reaches around twelve feet at maturity. It blooms white in summer. It's also deer-resistant.
How to grow Bottlebrush Buckeye
Bottlebrush Buckeye grows in USDA zones 5 through 8. Bottlebrush Buckeye does best in shade — at least 2 hours of direct sun a day — and soil from pH 5 to 7.5, on well-drained ground.
USDA Zones
5-8
Rated hardy to zone 5a by NC State Extension Gardener Plant Toolbox, checked Oct 2026. Ceiling: not verified.
Soil pH
5 - 7.5
Growable Ground Plant Database
Sun
Shade
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Mature Height
12 ft
Growable Ground plant catalog
Plant it right
Set bottlebrush buckeye in shade with well-drained soil.
Match the soil
Bottlebrush Buckeye prefers pH 5 to 7.5 (Growable Ground Plant 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.
Shape it while it is young
Prune bottlebrush buckeye only to remove dead, damaged or crossing branches while it is young; it is grown for its form, not a harvest, so little more is needed once it settles in.
Where Bottlebrush Buckeye thrives
Bottlebrush Buckeye is hardy across USDA zones 5 through 8. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 5–8 spans average winter lows from -20°F to 20°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 19 outright and splits 31 more down the middle — and which side of that line your land sits on changes the answer.
Zones 5–8·Where Bottlebrush Buckeye growsOpen map →
This map is derived from the USDA ARS / PRISM Plant Hardiness Zone Map (2023) and is not the official USDA Plant Hardiness Zone Map.
Where Bottlebrush Buckeye stands, state by state
Bottlebrush Buckeye is rated for zones 5–8 — a cold floor USDA puts at -20 to -10°F. Across the 50 states and DC, 19 sit fully inside that band, the line runs through 31 more, and 1 sits outside it — and inside every split state, the same line runs on at county grain.
Fully inside zones 5–8
19 states
3 of 19 shown
The line runs through
31 states
3 of 31 shown
Bottlebrush Buckeye’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.
Outside zones 5–8
1 state
- North Dakota · zones 3b-4b
Winter cold is the limit here — the same plant often works in a container that comes under cover. Each link is that state’s own growing hub.
State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.
What grows around Bottlebrush Buckeye
Growing guides for bottlebrush buckeye
Good to know
One caution for pet owners — bottlebrush buckeye is toxic to dogs, cats and horses (moderate severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Bottlebrush Buckeye offers moderate value to bees and other pollinators. (Source: Lady Bird Johnson Wildflower Center.)
Your land is one point inside Bottlebrush Buckeye's range
This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.
See if Bottlebrush Buckeye will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether bottlebrush buckeye 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
How we know this about Bottlebrush Buckeye
The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.
Grounded inUSDA PLANTS Database•ASPCA
Frequently asked questions
Can I grow Bottlebrush Buckeye in my zone?
Bottlebrush Buckeye grows in USDA hardiness zones 5 through 8 (Rated hardy to zone 5a by NC State Extension Gardener Plant Toolbox, checked Oct 2026. Ceiling: not verified.). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Bottlebrush Buckeye?
Set bottlebrush buckeye out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.
How much sun does Bottlebrush Buckeye need?
Bottlebrush Buckeye is shade-tolerant — it gets by on as little as 2 hours of direct sun, so it earns a place most vegetables can't use. A north-facing strip or the ground under a leafy canopy is right where it belongs. A Growable Ground report shows which corners of your land stay shaded through the day, turning those dim spots into planting spots.
What soil does Bottlebrush Buckeye need?
Bottlebrush Buckeye prefers soil pH 5 to 7.5, on well-drained ground (Growable Ground Plant Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Bottlebrush Buckeye attract pollinators?
Yes — bottlebrush buckeye's flowers are a solid nectar source for honeybees, native bees, and hummingbirds. (Source: Lady Bird Johnson Wildflower Center.)
Is Bottlebrush Buckeye safe for pets?
Bottlebrush Buckeye is toxic to dogs, cats and horses with moderate severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Keep exploring Bottlebrush Buckeye
Bottlebrush Buckeye state by state
Every state bottlebrush buckeye's zone reaches — 22 link straight to that state's bottlebrush buckeye growing page; the rest open the state's full growing guide.