One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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 chance to plant lithospermum in Tecumseh should be figured out by reviewing the USDA zone info.

Planting Calendar for Lithospermum

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

Since lithospermum do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant lithospermum in Tecumseh 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 grow to maturity. If you are starting your lithospermum indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Tecumseh. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Tecumseh is not always accurate the actual date of last frost is different every year. Half of the time in Tecumseh there is a last 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 Tecumseh

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 Tecumseh

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