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.

You can determine when to plant tritoma in Prosper by reviewing 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 are very cold tolerant you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant tritoma in Prosper 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 really do well. If you are starting your tritoma indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Prosper. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Prosper is just an average the actual date of last frost is different every year. Half of the time in Prosper there is a last frost after March 15 so just be sure to be ready to protect your tritoma in the event of one of those late frosts.

USDA Zone Info for Prosper

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Prosper

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