The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Closter you should be able to determine when you can plant tritoma.

Planting Calendar for Tritoma

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

Tritoma tend to make it in quite a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant tritoma in Closter 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 really do well. You can get started a couple of weeks earlier by starting your tritoma indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Closter. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Closter is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Closter it frosts late in the year after April 15 be ready to protect your tritoma in the event of a late frost.

USDA Zone Info for Closter

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 Low	0°F
Highest Expected Low	5°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 Closter

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