One of the best tools that you have as gardeners to help us determine 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.

It's a good idea to estimate when to plant lithospermum by referring to the USDA zone info for New Iberia.

Planting Calendar for Lithospermum

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

Lithospermum do not do well in cold weather which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

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

The last month that you can plant lithospermum and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

The average date of last frost is February 15 in New Iberia. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for New Iberia may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in New Iberia it frosts late in the year after February 15 be ready to protect your lithospermum in the event of a late frost.

USDA Zone Info for New Iberia

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in New Iberia

You may be interested in your other planting guides for New Iberia.