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.

By looking at the USDA zone info for Larkspur you will be able to determine when it's possible to plant didiscus.

Planting Calendar for Didiscus

Frost tolerance for didiscus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Didiscus are barely cold tolerant which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant didiscus in Larkspur is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant didiscus and expect a good harvest is probably September. If you wait any later than that and your didiscus may not have a chance to grow to maturity. Starting your didiscus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Larkspur. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember that USDA zone info for Larkspur is not always accurate and the actual date of last frost changes from year to year. Half of the time in Larkspur you get a frost after February 15 so be sure to be ready to protect your didiscus in the event of one of those late frosts.

USDA Zone Info for Larkspur

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Larkspur

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