Seed Starting-Indoors

Vegetable

Seeding date

Germination time

Growing temperature

Crop time-weeks

Comments

Broccoli

Late Feb

5 to 11 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Brussels sprouts

Late Feb

5 to 11 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Cabbage

Late Feb

5 to 11 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Cauliflower

Late Feb

5 to 11 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Cucumber

Late April

6 days

60 to 62 degrees F

3 to 4

Sow in pots. Keep warm at all times.

Eggplant

Late March

7 to 15 days

62 to 65 degrees F

6 to 7

Keep Warm

Head lettuce

Late Feb

5 to 11 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Kale/Collards

Late Feb

12 days

50 to 60 degrees F

6 to 7

Tolerates light frost after hardening.

Muskmelon

Late April

8 days

60 to 62 degrees F

3 to 4

Sow in pots. Keep warm

Okra

Late April

8 to 14 days

60 to 62 degrees F

4 to 5

Sow in pots. Keep warm

Pepper

Late March

8 to 14 days

62 to 65 degrees F

6 to 7 - packs

8 to 10 -pots

Keep warm.

Pumpkin

Late April

8 days

60 degrees F

4 to 5

Sow in pots. Keep warm

Squash

Late April

8 days

60 to 62 degrees F

3 to 4

Sow in pots. Keep warm

Tomato

Late March

8 to 14 days

62 to 65 degrees F

6 to 7 - packs

8 to 10 - pots

Keep warm.

Watermelon

Late April

8 days

60 to 62 degrees F

3 to 4 - pots

Sow in pots. Keep warm

 

Flower

Seeding date

Germination time

Growing temperature

Crop time- weeks

Comments

Ageratum

Early March

5 to 9 days

60 to 65 degrees F

10 to 11

Needs light to germinate.

Alyssum, sweet

Late March

4 to 9 days

50 to 55 degrees F

8 to 9

Needs light to germinate.

Aster

Early April

8 to 9 days

60 to 62 degrees F

7 to 8

Celosia

Early April

6 to 11 days

65 to 68 degrees F

10 to 12

Don’t grow cool.

Cleome

Early to mid-April

10 to 13 days

70 to 75 degrees F

7 to 9

Transplant before flowering.

Coleus

Early March

8 to 11 days

65 to 75 degrees F

9 to 10

Needs light to germinate.

Cosmos

Mid-April

6 days

65 degrees F

4 to 6

Dianthus

Early March

5 to 8 days

50 to 55 degrees F

12 to 14

Cover seeds lightly. Grow cool.

Dusty Miller

Early March

11 to 16 days

60 to 65 degrees F

11 to 12

Needs light to germinate.

Geranium, seed

Early Feb

7 to 12 days

60 to 65 degrees F

13 to 15

Best if grown in small pot.

Gomphrena

Late March

10 to 15 days

68 degrees F

9 to 10

Crop time for dwarf types.

Impatiens

Mid-Feb

15 to 19 days

58 to 60 degrees F

10 to 11

Cover seeds lightly.

Lobelia

Early Feb

15 to 21 days

60 degrees F

11 to 12

Needs light to germinate.

Marigold

Early April

5 to 8 days

65 to 68 degrees F

8 to 12

Tall types require more time.

Melampodium

Early April

7 to 11 days

60 to 62 degrees F

7 to 8

Nicotiana

Late March

10 to 13 days

60 to 62 degrees F

9 to 10

Needs light to germinate.

Pansy/Viola

Early to mid-Jan

6 to 13 days

50 to 55 degrees F

14 to 15

Grow at cool temperatures.

Orn. Pepper

Early to mid-April

8 to 13 days

60 degrees F

11 to 14

Petunia

Late Feb

6 to 13 days

55 to 60 degrees F

12 to 13

Needs light to germinate.

Phlox, annual

Late March

6 to 13 days

50 to 55 degrees F

10 to 11

Direct seed into containers.

Portulaca

Early April

6 to 13 days

65 degrees F

12 to 13

Needs light to germinate.

Salvia

Mid-March

12 to 14 days

60 degrees F

9 to 11

Needs light to germinate.

Snapdragon

Early March

7 to 13 days

45 to 50 degrees F

15 to 16

Needs light. Grow cool.

Torenia

Mid-Feb

10 to 19 days

55 to 60 degrees F

12 to 13

Needs light to germinate.

Verbena

Early March

12 to 22 days

55 to 60 degrees F

12 to 13

Chill seeds before sowing.

Vinca

Mid-March

10 to 17 days

65 to 68 degrees F

14 to 15

Grow in warm temperatures.

Zinnia

Mid-April

5 to 9 days

60 degrees F

8 to 9

Direct seed into final container.