When to Plant Larkspur in Morgan Hill, CA

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

The earliest that you can plant larkspur in Morgan Hill should be estimated by using 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.

Larkspur do well in quite a bit of cold which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

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 Morgan Hill 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. If you wait 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

In Morgan Hill the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Morgan Hill 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 Morgan Hill you get a frost after February 15 be ready to protect your larkspur if you have one of those late frosts.

USDA Zone Info for Morgan Hill

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 Low25°F
Highest Expected Low30°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 Morgan Hill

You may be interested in your other planting guides for Morgan Hill.