When to Plant Scabiosa in Norristown, PA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Norristown can be read to determine when to plant scabiosa.


Planting Calendar for Scabiosa

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

Since scabiosa are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

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

The earliest that you can plant scabiosa in Norristown 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 scabiosa and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scabiosa may not have a chance to really do well. You can get started a little bit earlier by starting your scabiosa indoors.

Last Frost Date

In Norristown the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Norristown is not always accurate and the actual date of last frost is different every year. Since half of the time in Norristown you get surprised by a frost after April 15 be ready to cover your scabiosa in the event of one of those late frosts.

USDA Zone Info for Norristown

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 Norristown

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