Germination information for
selected plants: approximate time to seed before last frost, days for germination,
optium temperature for gemermination, and light requirements
|
Plant
|
Approximate
Time to Seed Before Last Frost Date (Weeks)
|
Time
Seeds Take to Germinate (Days)
|
Temperature
°F
|
Light/Dark
Requirement
|
| Ageratum |
8 |
5 to 10 |
70 |
Light |
| Alyssum |
8 |
5 to 10 |
70 |
Either |
| Aster |
6 |
5 to 10 |
70 |
Either |
| Balsam |
6 |
5 to 10 |
70 |
Either |
| Begonia |
12 or more |
10 to 15 |
70 |
Light |
| Broccoli |
8 |
5 to 10 |
70 |
Either |
| Browallia |
12 or more |
15 to 20 |
70 |
Light |
| Cabbage |
8 |
5 to 10 |
70 |
Either |
| Cauliflower |
8 |
5 to 10 |
70 |
Either |
| Celosia |
8 |
5 to 10 |
70 |
Either |
| Centurea |
6 |
5 to 10 |
65 |
Dark |
| Coleus |
8 |
5 to 10 |
65 |
Light |
| Cosmos |
4 or less |
5 to10 |
70 |
Either |
| Cucumber |
4 or less |
5 to 10 |
85 |
Either |
| Dahlia |
8 |
5 to 10 |
70 |
Either |
| Dianthus |
10 |
5 to 10 |
70 |
Either |
| Eggplant |
8 |
5 to 10 |
70 |
Either |
| Geranium |
12 or more |
10 to 20 |
70 |
Light |
| Impatiens |
10 |
15 to 20 |
70 |
Light |
| Larkspur |
12 or more |
5 to 10 |
55 |
Dark |
| Lettuce |
8 |
5 to 10 |
70 |
Light |
| Marigold |
6 |
5 to 10 |
70 |
Either |
| Muskmelon |
4 or less |
5 to 10 |
85 |
Either |
| Nicotiana |
8 |
10 to 15 |
70 |
Light |
| Pansy (Viola) |
12 or more |
5 to 10 |
65 |
Dark |
| Pepper |
8 |
5 to 10 |
80 |
Either |
| Petunia |
10 |
5 to 10 |
70 |
Light |
| Phlox |
8 |
5 to 10 |
65 |
Dark |
| Portulaca |
10 |
5 to 10 |
70 |
Dark |
| Snapdragon |
10 |
5 to 10 |
65 |
Light |
| Squash |
4 or less |
5 to 10 |
85 |
Either |
| Stock |
10 |
10 to 5 |
70 |
Either |
| Tomato |
6 |
5 to 10 |
80 |
Either |
| Verbena |
10 |
15 to 20 |
65 |
Dark |
| Vinca |
12 or more |
10 to 15 |
70 |
Either |
| Watermelon |
4 or less |
5 to 10 |
85 |
Either |
| Zinnia |
6 |
5 to 10 |
70 |
Either |
|