When to Plant Didiscus in Johnstown, PA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant didiscus in Johnstown can be estimated by reviewing the USDA zone info.


Planting Calendar for Didiscus

Frost tolerance for didiscus: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Didiscus do ok in moderate cold which tells us that you can plant them slightly earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant didiscus in Johnstown is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant didiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your didiscus may not have a chance to fully mature. If you are starting your didiscus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Johnstown. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Johnstown may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Johnstown there is a last frost after April 15 be ready to cover your didiscus in the event of a surprise late frost.

USDA Zone Info for Johnstown

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Johnstown

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