One of the first steps you take when you are making a decision about 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.

The first opportunity to plant lithospermum in Keyport can be estimated by using the USDA zone info.

Planting Calendar for Lithospermum

Frost tolerance for lithospermum:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant lithospermum until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant lithospermum in Keyport is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant lithospermum and expect a good harvest is probably August. If you wait any later than that and your lithospermum may not have a chance to really do well. You can get started a little bit earlier by starting your lithospermum indoors.

Last Frost Date

On average the last frost is on April 15 in Keyport. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Keyport is just an average the actual date of last frost is different every year. Half of the time in Keyport you get a frost after April 15 so just be sure to be ready to cover your lithospermum if you have one of those late frosts.

USDA Zone Info for Keyport

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 Keyport

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