When can I plant Hypericum in Zone 7b

One of the best tools that we have as gardeners to help us estimate our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The best time to plant hypericum in Zone 7b can be determined by referring to the USDA zone info.


Planting Calendar for Hypericum

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

Hypericum are one of those plants that can tolerate a tiny bit of cold weather which means that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant hypericum in Zone 7b 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 hypericum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hypericum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your hypericum indoors.

Last Frost Date

On average the last frost is on April 15 in Zone 7b. We can expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 7b and it can change quite a bit from year to year. Half of the time in Zone 7b last frost occurs after April 15 so always be ready to cover your hypericum if we have a surprise late frost.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Zone 7b

You may be interested in our other planting guides for Zone 7b.