How to Grow Columbine

Aquilegia spp. · Zones 3-8

Columbine is grown for its blooms, which open in summer. It's hardy across USDA zones 3 through 8 and shrugs off deer. Its summer flowers are a real draw for native bees, butterflies, hummingbirds, and moths.

Columbine — the short answer

Columbine: grown in zones 3–8, part sun, pH 6–8.5.

USDA zones
3–8
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Soil pH
6–8.5
FAO ECOCROP
Sun
Part Sun
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.

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What Columbine is

Columbine reaches around 2.5 feet at maturity. It blooms in summer. It's also deer-resistant.

How to grow Columbine

Columbine grows in USDA zones 3 through 8. Columbine does best in part sun — at least 4 hours of direct sun a day — and soil from pH 6 to 8.5, on well-drained ground.

USDA Zones

3-8

USDA PHZM 2023

Soil pH

6 - 8.5

FAO ECOCROP

Sun

Part Sun

Growable Ground plant catalog

Drainage

well (dry spells)

Growable Ground plant catalog

Mature Height

2.5 ft

Growable Ground plant catalog

Frost-Free Days

0+

The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.

Growable Ground plant catalog

  1. Start the season right

    Plant columbine in part sun with at least 4 hours of direct sun.

  2. Match the soil

    Columbine prefers pH 6 to 8.5 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. Harvest at its peak

    Cut columbine blooms in the cool of the morning, just as they open, for the longest display.

Where Columbine thrives

Columbine is hardy across USDA zones 3 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 38 spans average winter lows from -40°F to 20°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 34 outright and splits 17 more down the middle — and which side of that line your land sits on changes the answer.

Zones 3–8 highlighted on the USDA national hardiness zone map

Zones 3–8·Where Columbine growsOpen map →

Where Columbine stands, state by state

Columbine is rated for zones 38 — a cold floor USDA puts at -40 to -30°F. Across the 50 states and DC, 34 sit fully inside that band, the line runs through 17 more, and 0 sit outside it — and inside every split state, the same line runs on at county grain.

Fully inside zones 3–8

34 states

3 of 34 shown

The line runs through

17 states

3 of 17 shown

Columbine’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.

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 Columbine

In rotation planning, columbine counts as a Other — beds recover best when other crops don’t follow each other in the same spot year over year. (Growable Ground derivation — crop-rotation group from botanical family)

Good to know

One caution for pet owners — columbine is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)

Columbine is a standout pollinator plant — high value to bees and other pollinators. (Source: Xerces Society.)

Your land is one point inside Columbine'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.

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See if Columbine will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether columbine actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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How we know this about Columbine

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 DatabaseUSDA PHZMASPCA

Frequently asked questions

Can I grow Columbine in my zone?

Columbine grows in USDA hardiness zones 3 through 8 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.

When should you plant Columbine?

Time columbine to your own season rather than the calendar. Your local frost dates set the exact window — a Growable Ground report reads them for your address.

How much sun does Columbine need?

Columbine 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 Columbine need?

Columbine prefers soil pH 6 to 8.5, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Columbine attract pollinators?

Yes — columbine's flowers are a strong nectar and pollen source for native bees, butterflies, hummingbirds, and moths. (Source: Xerces Society.)

Is Columbine safe for pets?

Columbine is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)