Philadelphia
Master Gardeners
Seed Starting Guide
Seed Starting Guide
These dates
are based on the Average Last Frost Date for the central parts of the city: April
20th. Higher and more outlying parts are a week
or two later. Adjust recommended dates for warm weather crops accordingly.
Crops marked with a * are
usually planted directly outside on or after the first setting-out date.
CROP
|
WHEN TO START INSIDE
|
SETTING OUT DATE
|
||
FROM
|
TO
|
FROM
|
TO
|
|
Basil
|
16-Mar
|
23-Mar
|
27-Apr
|
4-May
|
Beans*
|
6-Apr
|
11-May
|
4-May
|
25-May
|
Beets*
|
23-Feb
|
16-Mar
|
6-Apr
|
13-Apr
|
Broccoli
|
23-Feb
|
16-Mar
|
6-Apr
|
13-Apr
|
Cabbage
|
9-Feb
|
2-Mar
|
23-Mar
|
30-Mar
|
Cauliflower
|
23-Feb
|
16-Mar
|
6-Apr
|
13-Apr
|
Collards
|
9-Feb
|
2-Mar
|
23-Mar
|
30-Mar
|
Corn*
|
23-Mar
|
27-Apr
|
20-Apr
|
11-May
|
Cucumber
|
30-Mar
|
20-Apr
|
27-Apr
|
11-May
|
Eggplant
|
23-Feb
|
23-Mar
|
4-May
|
18-May
|
Kale
|
9-Feb
|
2-Mar
|
23-Mar
|
30-Mar
|
Kohlrabi*
|
9-Feb
|
2-Mar
|
23-Mar
|
30-Mar
|
Lettuce
|
23-Feb
|
2-Mar
|
30-Mar
|
30-Mar
|
Melons
|
6-Apr
|
20-Apr
|
4-May
|
11-May
|
Mustard*
|
9-Feb
|
2-Mar
|
23-Mar
|
30-Mar
|
Okra*
|
23-Mar
|
27-Apr
|
4-May
|
25-May
|
Onions
|
26-Jan
|
16-Feb
|
23-Mar
|
30-Mar
|
Parsley
|
23-Feb
|
16-Mar
|
4-May
|
18-May
|
Peas*
|
9-Feb
|
9-Feb
|
9-Mar
|
2-Mar
|
Peppers
|
26-Jan
|
30-Mar
|
4-May
|
11-May
|
Pumpkins
|
6-Apr
|
20-Apr
|
4-May
|
11-May
|
Spinach
|
16-Feb
|
16-Feb
|
30-Mar
|
16-Mar
|
Squash
|
6-Apr
|
20-Apr
|
4-May
|
11-May
|
Swiss chard
|
23-Feb
|
16-Mar
|
6-Apr
|
13-Apr
|
Tomatoes
|
2-Mar
|
30-Mar
|
27-Apr
|
11-May
|
For advice and information on
all gardening topics e-mail or call the
Penn State Extension
Philadelphia Master Gardeners HortLine
PhiladelphiaExt@psu.edu or
215.471.2200 ext 116
Additional information can be found on a previous blog entry Previous seed starting blog inforamtion.
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