April in Zone 5
April in Zone 5: prime cool-season planting month. Direct sow most cool-season crops; transplant brassicas.
Quick answer · Updated July 2026
In April, Zone 5 gardeners can plant Lettuce, Arugula, Radishes, Mustard greens, Beets, Carrots, Parsnips, and Turnips. Zone 5's last frost is around Late April – early May and first frost around Early – mid October — the full task list below has exact timing for each crop.
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- Min Winter Temp
- -20 to -10 °F / -29 to -23 °C
- Last Spring Frost
- Late April – early May
- First Fall Frost
- Early – mid October
- Growing Season
- 150–180 days
- Annual Rainfall
- 25–50 in
Gardening in April in Zone 5
In Zone 5, April sits just ahead of the average last frost (Late April – early May). This is the critical indoor seed-starting window: warm-season crops need these weeks under lights to be transplant-ready the moment the soil warms.
The planting focus in Zone 5 this month is Lettuce, Arugula, Radishes, Mustard greens, Beets, and Carrots — see the task cards below for exactly how and when to sow each in your conditions.
About April in the garden
April is peak planting season for cold and temperate zones. Soil is workable, temperatures are consistently above freezing in most areas, and the full complement of cool-season crops can go in. Warm zones are transitioning to summer crops.
Transplanting broccoli, cabbage, and cauliflower in cold zones; direct sowing beets, carrots, and chard; planting potatoes; last frost passes in Zones 7–8.
- Season
- spring
- Temperature trend
- Warming steadily; last frost dates pass for Zones 7 and 8 in most locations.
- Daylight
- Days are significantly longer than nights; about 13–14 hours of daylight in mid-latitudes.
- Zone 5 last frost
- Late April – early May
- Zone 5 first frost
- Early – mid October
0
Sow indoors
11
Sow outdoors
4
Transplant
0
Harvest
0
Maintenance
🌿 Sow outdoors
Direct sow lettuce, arugula, and radishes
Surface-sow or ⅛ inch deep; thin to 8 inches for heads, 4 inches for cut-and-come-again.
Surface-sow in wide bands; thins itself as it grows; bolt-prone in heat — shade if needed.
Sow ½ inch deep, 1 inch apart; thin to 2 inches; ready in 25–30 days.
Mustard greens
Follow standard planting guidelines for Mustard greens.
Direct sow beets, carrots, and parsnips
Sow 1 inch deep, 3 inches apart; each seed is a cluster — thin to one plant per cluster.
Sow ¼ inch deep in loose, deep soil; mix with sand for even distribution; thin to 3 inches.
Sow fresh seed ½ inch deep in very early spring; slow to germinate (21 days); thin to 6 inches.
Sow ½ inch deep, thin to 4 inches apart; harvest roots at golf-ball size for best flavour.
Direct sow Swiss chard and kale
Sow 1 inch deep, thin to 6 inches; very productive cut-and-come-again crop.
Sow ¼ inch deep directly or in trays; very cold-hardy; direct sow works well in cool soil.
Plant bare-root strawberries
Plant bare-root crowns with crown at soil level — not too deep or too shallow; mulch runners.
🪴 Transplant
Transplant broccoli, cabbage, and cauliflower
Sow ¼ inch deep; transplant at 4–6 weeks when 4–5 inches tall; space 18 inches apart.
Sow ¼ inch deep; harden off well before transplanting; space 12–18 inches apart.
Sow ¼ inch deep; needs consistent cool temperatures; space 18 inches apart.
Plant potato sets
Chit in egg cartons in a cool bright spot until 1-inch sprouts develop before planting.
When to plant this month's crops in Zone 5
Full planting calendars — start indoors, transplant, and harvest timing — for the crops you're planting in April.
General April tasks
These apply broadly regardless of zone — a useful checklist alongside the zone-specific tasks above.
- ✓Direct sow beets, carrots, parsnips, and chard
- ✓Transplant broccoli, cabbage, and cauliflower starts
- ✓Plant potatoes once soil reaches 45°F
- ✓Sow herb seeds outdoors: dill, cilantro, parsley
- ✓Install soaker hoses and drip irrigation before beds fill in
- ✓Top-dress lawns and garden beds with compost
- ✓Prune spring-blooming shrubs immediately after bloom
- ✓Direct sow annual wildflower mixes
⚠ Watch-outs for April
- ⚠Frost is still possible in Zones 3–6 through April; keep row covers handy
- ⚠Don't transplant warm-season crops outdoors before last frost date
- ⚠Newly direct-sown seeds dry out quickly in warm April sun — water consistently
- ⚠Aphids and other soft-bodied insects appear early in spring; monitor and treat
April in Zone 5: common questions
What can I plant in April in Zone 5?＋
In April, Zone 5 gardeners can sow or transplant Lettuce, Arugula, Radishes, Mustard greens, Beets, Carrots, Parsnips, and Turnips. April in Zone 5: prime cool-season planting month. Direct sow most cool-season crops; transplant brassicas.
When is the last and first frost in Zone 5?＋
Zone 5 typically has its last spring frost around Late April – early May and its first fall frost around Early – mid October, giving a growing season of roughly 150–180 days. Always check a local frost-date source, since microclimates vary.
What garden jobs matter most in April in Zone 5?＋
Focus on direct sow beets, carrots, parsnips, and chard, transplant broccoli, cabbage, and cauliflower starts, plant potatoes once soil reaches 45°f. Watch out for frost is still possible in zones 3–6 through april; keep row covers handy.