When to Plant Larkspur in Zone 13b

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The first chance to plant larkspur in Zone 13b can be determined by checking out the USDA zone info.

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Planting Calendar for Larkspur

Frost tolerance for larkspur: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Larkspur do well in cold which tells us that you can start planting them much earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant larkspur
Possibly ok, but a risky time to plant larkspur
Probably not a good time to plant larkspur

The earliest that you can plant larkspur in Zone 13b 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 larkspur and expect a good harvest is probably November. If you wait any later than that and your larkspur may not have a chance to really do well. You can get started a few weeks earlier by starting your larkspur indoors.

Last Frost Date

In Zone 13b it never frosts. You can expect an average low temperature of 65°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 13b is not always accurate and the actual date of last frost changes from year to year. Since it never frosts in Zone 13b you do not have to be ready to cover your larkspur if you have a surprise late frost.

USDA Zone Info for Zone 13b

Here is the info for USDA Zone 13b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low65°F
Highest Expected Low70°F

This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.

Plants to Grow in Zone 13b

You may be interested in your other planting guides for Zone 13b.