When to Plant Snapdragons in Allentown, 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 best time to plant snapdragons in Allentown should be figured out by looking at the USDA zone info.


Planting Calendar for Snapdragons

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

You can plant snapdragons a little bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant snapdragons in Allentown 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 snapdragons and expect a good harvest is probably September. Any later than that and your snapdragons may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your snapdragons indoors.

Last Frost Date

The average date of last frost is April 15 in Allentown. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Allentown is not always accurate and the actual date of last frost changes from year to year. Half of the time in Allentown there is a last frost after April 15 so just be sure to be ready to protect your snapdragons if you have a surprise late frost.

USDA Zone Info for Allentown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Allentown

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