One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant tritoma in Tarentum by using the USDA zone info.

Planting Calendar for Tritoma

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

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

The earliest that you can plant tritoma in Tarentum 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. If you wait any later than that and your tritoma may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your tritoma indoors.

Last Frost Date

The average date of last frost is April 15 in Tarentum. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Tarentum and it can change quite a bit from year to year. Since half of the time in Tarentum there is a last frost after April 15 be ready to cover your tritoma in the event of a surprise late frost.

USDA Zone Info for Tarentum

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 Tarentum

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