When to Plant Lantana in Philadelphia, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 it's a good idea to plant lantana in Philadelphia by looking at the USDA zone info.


Planting Calendar for Lantana

Frost tolerance for lantana: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since lantana do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant lantana in Philadelphia 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 lantana and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lantana may not have a chance to grow to maturity. Starting your lantana indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Philadelphia is an average the actual date of last frost changes from year to year. Half of the time in Philadelphia it frosts late in the year after April 15 so make sure that you are prepared to protect your lantana in the event of a surprise late frost.

USDA Zone Info for Philadelphia

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 Philadelphia

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