City guide · Zone 6b
What to plant in Chicago, Illinois
A full-sun bed in Chicago: Weigela 'Wine & Roses', Dwarf fountain grass 'Hameln', English lavender 'Hidcote', Blanket flower 'Arizona Sun', Angelina stonecrop 'Angelina'. Zone 6b, last frost around Apr 25.
Cold winters and hot, humid summers; the lake moderates the city's edge. Prairie perennials and tough shrubs thrive.
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.
Chicago, Illinois at a glance
- Hardiness zone (2023 USDA)
- 6b (ZIP 60601)
- 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.)
- 38 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 Chicago 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 Chicago
6 or more hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6b · 6+ hours of sun · Cottage
Weigela florida 'Alexandra'
Structure · Back of bed · 3-gallon pot · 4 ft apart · grows 4–5 ft tall · May–Jun
Can't find it? Use Shrub rose 'Knock Out' or Shrubby cinquefoil (potentilla) 'Goldfinger'.
Pennisetum alopecuroides 'Hameln'
Grass · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Jul–Sep
Can't find it? Use Northern sea oats or Pink muhly grass.
Lavandula angustifolia 'Hidcote'
Filler · Middle of bed · 1-gallon pot · 1.5 ft apart · grows 1–2 ft tall · Jun–Jul
Can't find it? Use Spike speedwell 'Royal Candles' or Bearded iris.
Gaillardia × grandiflora 'Arizona Sun'
Filler · Front of bed · quart pot · 1.3 ft apart · grows 0.5–1 ft tall · Jun–Oct
Can't find it? Use Spike speedwell 'Royal Candles'.
Sedum rupestre 'Angelina'
Edge · Edge of bed · quart pot · 1 ft apart · grows 3–6 in tall · Jun–Jul
Can't find it? Use Creeping thyme or Hens and chicks.
Kinds
5
Plants
30
Coverage
75%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 75% of the 72 sq ft bed when mature.
A part-shade bed in Chicago
2 to 4 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6b · 2–4 hours of sun · Classic
Abelia × grandiflora 'Kaleidoscope'
Structure · Back of bed · 3-gallon pot · 3 ft apart · grows 2–3 ft tall · Jun–Sep
Can't find it? Use Dwarf boxwood 'Green Gem' or Spreading yew 'Densiformis'.
Carex oshimensis 'Evergold'
Grass · Middle of bed · 1-gallon pot · 1 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Japanese forest grass 'Aureola' or Japanese painted fern 'Pictum'.
Lenten rose
× 7
Helleborus × hybridus
Filler · Middle of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Feb–Apr
Can't find it? Use Siberian bugloss 'Jack Frost' or Hardy geranium 'Rozanne'.
Astilbe chinensis 'Visions'
Filler · Middle of bed · 1-gallon pot · 1.3 ft apart · grows 1–1.5 ft tall · Jul–Aug
Can't find it? Use Siberian bugloss 'Jack Frost' or Hardy geranium 'Rozanne'.
Heuchera villosa 'Caramel'
Edge · Edge of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Aug–Sep
Can't find it? Use Coral bells 'Palace Purple' or Foamflower.
Kinds
5
Plants
39
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 shady bed in Chicago
Under 2 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 6b · Under 2 hours of sun · Classic
Hydrangea arborescens 'Annabelle'
Structure · Back of bed · 3-gallon pot · 3.5 ft apart · grows 3–5 ft tall · Jun–Aug
Carex oshimensis 'Evergold'
Grass · Front of bed · 1-gallon pot · 1 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Japanese forest grass 'Aureola' or Japanese painted fern 'Pictum'.
Lenten rose
× 7
Helleborus × hybridus
Filler · Front of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · Feb–Apr
Can't find it? Use Siberian bugloss 'Jack Frost' or Chinese astilbe 'Visions'.
Filler · Front of bed · 1-gallon pot · 2 ft apart · grows 1–1.5 ft tall · Jul–Aug
Can't find it? Use Siberian bugloss 'Jack Frost' or Chinese astilbe 'Visions'.
Heuchera micrantha var. diversifolia 'Palace Purple'
Edge · Edge of bed · 1-gallon pot · 1.3 ft apart · grows 1–1.5 ft tall · Jun–Jul
Can't find it? Use Hairy alumroot 'Caramel' or Foamflower.
Kinds
5
Plants
31
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.
Guides for zone 6
- Dog-safe plants for a full-sun bed in zone 6
- Deer-resistant plants for a full-sun bed in zone 6
- Deer-resistant plants for a part-shade bed in zone 6
- Low-water plants for a full-sun bed in zone 6
- What to plant in a full-sun bed in zone 6
- What to plant in a part-shade bed in zone 6
- What to plant in a shady bed in zone 6
- Cottage garden plants for a sunny bed in zone 6
Questions and answers
- What hardiness zone is Chicago, Illinois in?
- Central Chicago (ZIP 60601) 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 Chicago?
- 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 Chicago?
- 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 Chicago?
- Our full-sun bed list for Chicago uses 30 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
