Soil Block, Pin Size and Soil Temperature
Germination Conditions
for Vegetable Seeds
* Broccoli, Brussel
Sprouts, Cabbage, Chinese Cabbage, Kohlrabi, Parsnips,
Turnips, Radishes, Kale
** Lower to 60°F at night is critical.
® Pot On to Maxi 1 4” Soil Blocker is critical.
Ñ Choice of block size: Larger block for larger seeds, smaller block
for smaller seeds
Crop Soil BlockÑ
Pin/Pot onto Minimum
|
Asparagus |
1½” |
seed |
50°F |
60°-85°F |
75°F |
95°F |
|
Bean |
2” |
dowel |
60°F |
60°-85°F |
80°F |
95°F |
|
Beet/Chard |
1½”, 2” |
seed |
40°F |
50°-85°F |
85°F |
95°F |
|
Brassicas* |
1½”, 2” |
seed |
40°F |
45°-85°F |
85°F |
100°F |
|
Celery |
¾” |
cubic/2” |
40°F |
60°-70°F |
70°F** |
85°F |
|
Corn |
2”, 3” |
dowel |
50°F |
60°-95°F |
95°F |
105°F |
|
Cucumber |
1½”, 2” |
seed/ 4” Maxi |
60°F |
60°-95°F |
95°F |
105°F |
|
Eggplant |
¾” |
cubic/2”® 4” Maxi |
60°F |
75°-90°F |
85°F |
95°F |
|
Lettuce |
¾”, 1½”, 2” |
cubic/2” seed |
35°F |
40°-80°F |
70°F |
85°F |
|
Melon |
2”, 3” |
dowel/ 4” Maxi |
60°F |
75°-95°F |
90°F |
100°F |
|
Okra |
2” |
dowel |
60°F |
70°-95°F |
95°F |
105°F |
|
Onion/Leek |
1½”, 2” |
seed |
35°F |
50°-95°F |
75°F |
95°F |
|
Parsley |
¾” |
cubic/2” |
40°F |
50°-85°F |
75°F |
90°F |
|
Peas |
2” |
dowel |
40°F |
40°-75°F |
75°F |
85°F |
|
Pepper |
¾” |
cubic/2”® 4” Maxi |
60°F |
65°-95°F |
85°F |
95°F |
|
Pumpkin |
2”, 3” |
dowel/cubic |
60°F |
70°-90°F |
95°F |
100°F |
|
Spinach |
1½”, 2” |
seed |
35° |
45°-75°F |
70°F |
85°F |
|
Squash |
2”, 3” |
dowel |
60°F |
70°-95°F |
95°F |
100°F |
|
Tomato |
¾” |
cubic/2” ® 4” Maxi |
50°F |
60°-85°F |
85°F |
95°F |
|
Watermelon |
2”, 3” |
dowel |
60°F |
70°-95°F |
95°F |
105°F |