January in Zone 6
January in Zone 6 (last frost mid april – early may, first frost mid october – early november). There are 5 crops to sow, transplant, or harvest this month.
Quick answer · Updated October 2026
In January, Zone 6 gardeners can plant Celery, Petunias, Impatiens, Geraniums, and Begonias. Zone 6's last frost is around Mid April – early May and first frost around Mid October – early November — the full task list below has exact timing for each crop.
Jump to another month
- 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
Gardening in January in Zone 6
January is the depth of winter in Zone 6. With the last spring frost not due until around Mid April – early May, the garden is dormant and the real work is planning — ordering seeds, sketching beds, and starting only the longest-season crops indoors.
The planting focus in Zone 6 this month is Celery, Petunias, Impatiens, Geraniums, and Begonias — see the task cards below for exactly how and when to sow each in your conditions.
About January in the garden
January is the heart of winter in most of the US. For gardeners in cold zones, it is a time for planning, seed ordering, and soil improvement. In warm southern zones, winter vegetables are actively growing and some early planting is underway.
Ordering seeds from catalogs, planning garden layouts, pruning dormant trees and shrubs, starting onion and leek seeds indoors in cold zones, harvesting winter vegetables in Zones 8–13.
- Season
- winter
- Temperature trend
- Coldest month of the year in most regions; average temperatures at seasonal low.
- Daylight
- Shortest days; daylight is slowly increasing from the winter solstice.
- Zone 6 last frost
- Mid April – early May
- Zone 6 first frost
- Mid October – early November
5
Sow indoors
0
Sow outdoors
0
Transplant
0
Harvest
1
Maintenance
🌱 Sow indoors
Start these indoors
Get a jump on the season under lights or on a sunny windowsill so transplants are ready when the weather warms.
Sow seed on the surface or barely covered. Germinates in 14–21 days (slow; needs light).
Sow Surface-sow — dust-fine seed needs light to germinate. Germinates in 7–14 days at 70–75°f.
Sow Surface-sow — dust-fine seed needs light to germinate. Germinates in 14–21 days at 70–75°f.
Sow seed on the surface (needs light); transplant at nursery depth. Germinates in 7–14 days at 70–75°f.
Sow Surface-sow seed (needs light); transplant at nursery depth. Germinates in 14–21 days at 70–75°f.
🛠️ Maintenance
Plan, order seeds, and prep
The ground is cold or frozen — the perfect time for the indoor work that makes spring easier.
📌 Order seeds before favorites sell out, sketch next year's layout and rotations, sharpen and oil tools, and start onions/leeks late in the dormant season.
When to plant this month's crops in Zone 6
Full planting calendars — start indoors, transplant, and harvest timing — for the crops you're planting in January.
General January tasks
These apply broadly regardless of zone — a useful checklist alongside the zone-specific tasks above.
- ✓Order seeds from catalogs and plan crop rotations
- ✓Inventory stored seeds and discard those past their viability window
- ✓Start onion and leek seeds indoors (cold zones)
- ✓Prune dormant fruit trees and grape vines
- ✓Apply dormant oil sprays to fruit trees before buds swell
- ✓Sharpen and oil garden tools
- ✓Turn compost pile if not frozen
- ✓Plan raised bed improvements and new garden layouts
⚠ Watch-outs for January
- ⚠Protect brassicas and root vegetables from hard freezes in Zones 7–8 with row covers
- ⚠Check overwintering bulbs in storage for rot or desiccation
- ⚠Avoid walking on frozen or waterlogged soil — it compacts severely
- ⚠Monitor houseplants for pests that thrive in dry indoor winter conditions
January in Zone 6: common questions
What can I plant in January in Zone 6?＋
In January, Zone 6 gardeners can sow or transplant Celery, Petunias, Impatiens, Geraniums, and Begonias. January in Zone 6 (last frost mid april – early may, first frost mid october – early november). There are 5 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 garden jobs matter most in January in Zone 6?＋
Focus on order seeds from catalogs and plan crop rotations, inventory stored seeds and discard those past their viability window, start onion and leek seeds indoors (cold zones). Watch out for protect brassicas and root vegetables from hard freezes in zones 7–8 with row covers.