The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's possible to plant arctotis by using the USDA zone info for Larkspur.

Planting Calendar for Arctotis

Frost tolerance for arctotis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant arctotis a bit earlier in the year because they do well in moderate cold.

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

The last month that you can plant arctotis and expect a good harvest is probably October. You probably don't want to wait any later than that or else your arctotis may not have a chance to fully mature. Starting your arctotis 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. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Larkspur may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Larkspur it frosts late in the year after February 15 so always be ready to cover your arctotis if you have a surprise late frost.

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.