Skip to content
FloraVista

City guide · Zone 6b

What to plant in Columbus, Ohio

A full-sun bed in Columbus: Shrub rose 'Knock Out', Feather reed grass 'Karl Foerster', English lavender 'Hidcote', Bearded iris, Cheddar pinks 'Firewitch'. Zone 6b, last frost around Apr 20.

Humid continental climate with a broad plant palette. Heavy clay soil is common.

Preview: plant data is awaiting horticulturist review. A professional horticulturist hasn't reviewed our plant table yet. Lists still follow fixed rules for zone, sun, pets, deer and invasive status.

Columbus, Ohio at a glance

Hardiness zone (2023 USDA)
6b (ZIP 43215)
Typical last spring frost
Apr 20
Typical first fall frost
Oct 20
Spring planting window
early May to early June
Fall planting window
mid-September to mid-October
Annual rainfall (approx.)
40 in

Frost dates are typical metro values, not forecasts. Humid summers and wide temperature swings matter alongside winter cold; most plants hardy here also take the heat. Our lists for Columbus use the rules for the Midwest.

Zone: USDA Plant Hardiness Zone Map, 2023 (USDA Agricultural Research Service; data by the PRISM Climate Group, Oregon State University). ZIP code to state data: GeoNames (geonames.org), CC BY 4.0.

A full-sun bed in Columbus

6 or more hours of direct summer sun, 12 × 6 ft.

12 × 6 ft · Zone 6b · 6+ hours of sun · Cottage

Kinds

5

Plants

33

Coverage

85%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 85% of the 72 sq ft bed when mature.

A part-shade bed in Columbus

2 to 4 hours of direct summer sun, 12 × 6 ft.

12 × 6 ft · Zone 6b · 2–4 hours of sun · Classic

Kinds

5

Plants

28

Coverage

90%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 90% of the 72 sq ft bed when mature.

A shady bed in Columbus

Under 2 hours of direct summer sun, 12 × 6 ft.

12 × 6 ft · Zone 6b · Under 2 hours of sun · Classic

Kinds

5

Plants

30

Coverage

86%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 86% of the 72 sq ft bed when mature.

Guides for zone 6

Questions and answers

What hardiness zone is Columbus, Ohio in?
Central Columbus (ZIP 43215) is in zone 6b on the 2023 USDA map: the coldest night of an average winter falls between -5°F and 0°F. Suburbs can be half a zone colder.
When is the last frost in Columbus?
Typically around Apr 20 in spring and Oct 20 in fall. These are typical dates; any one year can be two weeks earlier or later.
When should I plant shrubs and perennials in Columbus?
In spring, early May to early June; in fall, mid-September to mid-October. Fall planting gives roots a cool, moist season to settle before summer.
How many plants do I need for a 12 × 6 ft bed in Columbus?
Our full-sun bed list for Columbus uses 33 plants of 5 kinds, plus 9 bags of mulch.

How this page was made

This page was generated from FloraVista's plant table by fixed rules: the rules engine composed each list for the city's 2023 USDA zone, its region's summers and its state's invasive lists. The frost dates and rainfall are approximate metro values. No person or chat model chose these plants, and no named expert has reviewed this page.

Data status: the plant table is awaiting review by a horticulturist. Check each plant with a local nursery or extension office before you buy.

Sources

  • Missouri Botanical Garden Plant Finder, state extension services and the USDA PLANTS database (zones, size, sun, water, bloom, native range)
  • ASPCA toxic and non-toxic plant lists (dog and cat toxicity)
  • Rutgers NJAES and regional extension deer-resistance ratings
  • State noxious-weed and invasive-plant lists and the Invasive Plant Atlas of the US
  • Typical US garden-centre listings (pot size and price band)
  • USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture. Data by the PRISM Climate Group, Oregon State University.
  • ZIP code to state data: GeoNames (geonames.org), licensed under CC BY 4.0.

Generated . How FloraVista chooses plants