When to Plant Arctotis in Collegeville, PA

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Collegeville you can estimate when it's a good idea to plant arctotis by referring to the USDA zone info.

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Planting Calendar for Arctotis

Frost tolerance for arctotis: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Arctotis do well in moderate cold which tells us that you can plant them a little bit earlier than other frost tender plants.

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

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

The last month that you can plant arctotis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your arctotis may not have a chance to grow to maturity. If you are starting your arctotis indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Collegeville the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Collegeville is not always accurate and the actual date of last frost changes from year to year. Half of the time in Collegeville you get a frost after April 15 so make sure that you are ready to protect your arctotis if you have a 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.