When to Plant Tagetes in Collegeville, PA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's possible to plant tagetes by looking at the USDA zone info for Collegeville.

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Planting Calendar for Tagetes

Frost tolerance for tagetes: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since tagetes do not do well in cold weather you need to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tagetes
Possibly ok, but a risky time to plant tagetes
Probably not a good time to plant tagetes

The earliest that you can plant tagetes in Collegeville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tagetes and expect a good harvest is probably August. Any later than that and your tagetes may not have a chance to fully mature. You can get started a little bit earlier by starting your tagetes indoors.

Last Frost Date

The average date of last frost is April 15 in Collegeville. It might get as low as 0°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Collegeville and it can change quite a bit from year to year. Half of the time in Collegeville you get a frost after April 15 so be sure to be ready to protect your tagetes in the event of a surprise late frost.

USDA Zone Info for Collegeville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Collegeville

You may be interested in your other planting guides for Collegeville.