When to Plant Brachycome in Swarthmore, PA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when you can plant brachycome by referring to the USDA zone info for Swarthmore.


Planting Calendar for Brachycome

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

You really shouldn't plant brachycome until after the last frost because they require warm weather.

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

The earliest that you can plant brachycome in Swarthmore 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 brachycome and expect a good harvest is probably August. You probably don't want to wait any later than that or else your brachycome may not have a chance to fully mature. Starting your brachycome indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Swarthmore. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Swarthmore is not always accurate the actual date of last frost is different every year. Since half of the time in Swarthmore you get surprised by a frost after April 15 be ready to cover your brachycome if you have a late frost.

USDA Zone Info for Swarthmore

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 Swarthmore

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