The last freeze in Cleveland is usually between April 20th and May 10th, according to the National Weather Service for Cleveland, Ohio.
Activities for April
- Start seeds indoors and outdoors
- Harden off and transplant seedlings outdoors
- Cool weather gardening
Seeds to Start indoors in April for Zone 5b / 6a (Cleveland, Ohio)
Note: some seeds are listed as both “start indoors” and “start outdoors”. These can be started either way, according to your preference.
- Week 1: April 1-7
- Cabbage
- Endive
- Tomatos
- Okra
- Winged Bean
- Week 2: April 8-14
- Arugula
- Cylindra Beets
- Week 3: April 15-21
- Cucumber
- Gourds
- Garbanzo beans
- Pumpkin
- Winter Squash
- Zucchini
- Week 4: April 22-31
- Pumpkin
- Winter Squash
Seeds to sow outdoors in April
- Week 1: April 1-7
- Snow Peas
- Turnips
- Rutabaga
- Week 2: April 8-14
- Collards
- Turnips
- Rutabaga
- kohlrabi
- Week 3: April 15-21
- Chard
- Kohlrabi
- Week 4: April 22-31
- Carrots
- Parsnips
- Radish
- Chard
Transplanting Seedlings Outdoors
These Seedlings will need to be hardened off before transplanting outdoors during the second and third week of April.
- Endive
- Kale
- Brussel Sprouts
- Celery
- Kohlrabi