Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 Dobbs Ferry 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.

Since lithospermum are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant lithospermum in Dobbs Ferry 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 fully mature. You can get started a couple of weeks earlier by starting your lithospermum indoors.

Last Frost Date

The average date of last frost is April 15 in Dobbs Ferry. You should expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Dobbs Ferry is not always accurate and the actual date of last frost is different every year. Half of the time in Dobbs Ferry you get surprised by a frost after April 15 so just be sure to be ready to cover your lithospermum if you have a surprise late frost.

USDA Zone Info for Dobbs Ferry

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 Dobbs Ferry

You may be interested in your other planting guides for Dobbs Ferry.