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City guide · Zone 6b

What to plant in Detroit, Michigan

A full-sun bed in Detroit: Shrub rose 'Knock Out', Pink muhly grass, New England aster 'Purple Dome', Threadleaf coreopsis 'Moonbeam', Angelina stonecrop 'Angelina'. Zone 6b, last frost around Apr 25.

Four seasons moderated by the Great Lakes. The classic Midwest palette does well.

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.

Detroit, Michigan at a glance

Hardiness zone (2023 USDA)
6b (ZIP 48226)
Typical last spring frost
Apr 25
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.)
34 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 Detroit 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 Detroit

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

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

Kinds

5

Plants

25

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 part-shade bed in Detroit

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

87%

Mulch

9 bags

Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 87% of the 72 sq ft bed when mature.

A shady bed in Detroit

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

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

Kinds

5

Plants

26

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.

Guides for zone 6

Questions and answers

What hardiness zone is Detroit, Michigan in?
Central Detroit (ZIP 48226) 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 Detroit?
Typically around Apr 25 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 Detroit?
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 Detroit?
Our full-sun bed list for Detroit uses 25 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