When can I plant Tritoma in Zone 7a

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

The earliest that you can plant tritoma in Zone 7a can be figured out by reviewing the USDA zone info.


Planting Calendar for Tritoma

Frost tolerance for tritoma: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Since tritoma do well in cold you can plant them a lot earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant tritoma in Zone 7a 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 tritoma and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tritoma may not have a chance to fully mature. Starting your tritoma indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 7a the average date of last frost happens on April 15. We should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Zone 7a is an average our actual date of last frost is different every year. Half of the time in Zone 7a last frost occurs after April 15 so make sure that you are prepared to cover your tritoma if we have one of those late frosts.

USDA Zone Info for Zone 7a

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 Zone 7a

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