One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's a good idea to plant tritoma by using the USDA zone info for York.

Planting Calendar for Tritoma

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

You can plant tritoma much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant tritoma in York 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. Starting your tritoma indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for York and it will vary from year to year. Half of the time in York last frost occurs after April 15 so always be ready to protect your tritoma if you have one of those late frosts.

USDA Zone Info for York

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in York

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