One of the first steps you take when you are estimating your gardening schedule is find your 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 La Porte should be determined by checking out the USDA zone info.

Planting Calendar for Larkspur

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

Since larkspur are one of those plants that can tolerate quite a bit of cold weather you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant larkspur in La Porte 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 October. Any later than that and your larkspur may not have a chance to fully mature. Starting your larkspur indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in La Porte. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for La Porte may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in La Porte you get surprised by a frost after February 15 be ready to cover your larkspur in the event of a surprise late frost.

USDA Zone Info for La Porte

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 La Porte

You may be interested in your other planting guides for La Porte.