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City guide · Zone 7a

What to plant in Louisville, Kentucky

A full-sun bed in Louisville: Weigela 'Wine & Roses', Dwarf fountain grass 'Hameln', Blue false indigo, Spike speedwell 'Royal Candles', Creeping phlox. Zone 7a, last frost around Apr 10.

Ohio Valley humidity with cold snaps in winter.

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.

Louisville, Kentucky at a glance

Hardiness zone (2023 USDA)
7a (ZIP 40202)
Typical last spring frost
Apr 10
Typical first fall frost
Oct 30
Spring planting window
mid-April to mid-May
Fall planting window
late September to late October
Annual rainfall (approx.)
45 in

Frost dates are typical metro values, not forecasts. Long, hot, humid summers rule out many plants that are perfectly hardy in your zone, especially northern shrubs and alpine perennials. Our lists for Louisville use the rules for the Southeast.

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 Louisville

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

12 × 6 ft · Zone 7a · 6+ hours of sun · Cottage

Kinds

5

Plants

19

Coverage

91%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 91% of the 72 sq ft bed when mature.

A part-shade bed in Louisville

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

12 × 6 ft · Zone 7a · 2–4 hours of sun · Classic

Kinds

5

Plants

55

Coverage

82%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 82% of the 72 sq ft bed when mature.

A shady bed in Louisville

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

12 × 6 ft · Zone 7a · Under 2 hours of sun · Classic

Kinds

5

Plants

46

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 7

Questions and answers

What hardiness zone is Louisville, Kentucky in?
Central Louisville (ZIP 40202) is in zone 7a on the 2023 USDA map: the coldest night of an average winter falls between 0°F and 5°F. Suburbs can be half a zone colder.
When is the last frost in Louisville?
Typically around Apr 10 in spring and Oct 30 in fall. These are typical dates; any one year can be two weeks earlier or later.
When should I plant shrubs and perennials in Louisville?
In spring, mid-April to mid-May; in fall, late September to late 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 Louisville?
Our full-sun bed list for Louisville uses 19 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