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

In Millbrook you can figure out when you can plant lithospermum by referring to the USDA zone info.

Planting Calendar for Lithospermum

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

You really shouldn't plant lithospermum until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant lithospermum in Millbrook 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. Any later than that and your lithospermum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lithospermum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Millbrook. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Millbrook is not always accurate the actual date of last frost is different every year. Since half of the time in Millbrook you get surprised by a frost after March 15 be ready to protect your lithospermum in the event of one of those late frosts.

USDA Zone Info for Millbrook

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Millbrook

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