August in Zone 6
August in Zone 6 (last frost mid april – early may, first frost mid october – early november). There are 2 crops to sow, transplant, or harvest this month.
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- Min Winter Temp
- -10 to 0 °F / -23 to -18 °C
- Last Spring Frost
- Mid April – early May
- First Fall Frost
- Mid October – early November
- Growing Season
- 180–210 days
- Annual Rainfall
- 30–55 in
August overview
August transitions from peak summer to late summer. Heat continues but days are shortening noticeably. Fall crop planting is urgent in cold zones, and warm-zone gardeners begin planning for fall gardens. Preserving harvests becomes a priority.
Peak tomato and pepper harvest; urgent fall planting in cold zones; canning and preserving; transplanting fall brassicas; planting spring bulbs ordered early.
- Season
- summer
- Temperature trend
- Still hot but temperatures begin easing late in the month in northern zones.
- Daylight
- Noticeably shortening days; losing 2+ minutes of daylight daily.
- Zone 6 last frost
- Mid April – early May
- Zone 6 first frost
- Mid October – early November
0
Sow indoors
1
Sow outdoors
0
Transplant
1
Harvest
1
Maintenance
🌿 Sow outdoors
Sow these directly outdoors
Soil and weather are right to sow these straight into the garden where they will grow.
Carrots
Fall carrots sweeten after frost — sow midsummer for autumn harvest.
🧺 Harvest
Harvest these now
These crops are coming ripe — pick regularly to keep plants productive.
Onions
Harvest when tops flop and brown; cure 2 weeks before storing.
🛠️ Maintenance
Keep the garden growing
Mid-season upkeep keeps plants healthy and productive.
📌 Water deeply and less often, mulch to hold moisture, side-dress heavy feeders, scout for pests, and succession-sow quick crops.
General August tasks
These apply broadly regardless of zone — a useful checklist alongside the zone-specific tasks above.
- ✓Direct sow fall spinach, arugula, and lettuce in cold and temperate zones
- ✓Transplant fall broccoli, kale, and chard starts
- ✓Plant fall-bearing strawberries
- ✓Order spring bulbs for fall planting
- ✓Harvest and preserve: tomatoes, peppers, cucumbers, beans
- ✓Sow cover crops in empty beds to suppress weeds and build soil
- ✓Reduce fertilizing on perennials to encourage hardening-off before winter
- ✓Deadhead spent flowers to extend bloom or let seed heads form for birds
⚠ Watch-outs for August
- ⚠Late August is the last chance to plant fall crops in cold zones (Zones 3–5) — time is short
- ⚠Tomato late blight can spread rapidly in cool, wet August conditions — inspect daily
- ⚠End-of-season exhaustion in squash and cucumber plants — pull when productivity drops
- ⚠Fall armyworms arrive in the South in August — inspect grass and leafy crops
August in Zone 6: common questions
What can I plant in August in Zone 6?＋
In August, Zone 6 gardeners can sow or transplant Carrots. August in Zone 6 (last frost mid april – early may, first frost mid october – early november). There are 2 crops to sow, transplant, or harvest this month.
When is the last and first frost in Zone 6?＋
Zone 6 typically has its last spring frost around Mid April – early May and its first fall frost around Mid October – early November, giving a growing season of roughly 180–210 days. Always check a local frost-date source, since microclimates vary.
What's ready to harvest in August in Zone 6?＋
In August, Zone 6 gardeners are typically harvesting Onions. Pick regularly — frequent harvesting keeps most crops producing longer.