When to Plant Diascia in Prospect Park, 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 most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant diascia is to check out the USDA zone info for Prospect Park.


Planting Calendar for Diascia

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

Diascia do well in mild cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

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

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

Last Frost Date

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

Always keep in mind that USDA zone info for Prospect Park is not always accurate and the actual date of last frost is different every year. Since half of the time in Prospect Park you get surprised by a frost after April 15 be ready to cover your diascia in the event of a late frost.

USDA Zone Info for Prospect Park

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 Prospect Park

You may be interested in your other planting guides for Prospect Park.