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.

By using the USDA zone info for Sea Cliff you will be able to determine when you can plant lithospermum.

Planting Calendar for Lithospermum

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

Since lithospermum require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant lithospermum in Sea Cliff 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 Sea Cliff. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Sea Cliff is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sea Cliff there is a last frost after April 15 so always be ready to cover your lithospermum if you have one of those late frosts.

USDA Zone Info for Sea Cliff

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 Sea Cliff

You may be interested in your other planting guides for Sea Cliff.