When to Plant Maltese Cross in Swarthmore, PA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when you can plant maltese cross in Swarthmore by reviewing the USDA zone info.


Planting Calendar for Maltese Cross

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

You can plant maltese cross a little earlier in the year because they do well in moderate cold.

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

The earliest that you can plant maltese cross in Swarthmore 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 maltese cross and expect a good harvest is probably September. You probably don't want to wait any later than that or else your maltese cross may not have a chance to fully mature. If you are starting your maltese cross indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Swarthmore. It might get as low as 0°F during the coldest months of winter.

It's important to 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 Swarthmore and it will vary from year to year. Half of the time in Swarthmore you get a frost after April 15 so make sure that you are prepared to protect your maltese cross in the event of one of those late frosts.

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.