When to Plant Larkspur in Eldridge, IA

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

The USDA zone info for Eldridge can be reviewed to figure out when you can plant larkspur.


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 pretty solid cold which means that you can plant them quite a bit 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 Eldridge 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 larkspur and expect a good harvest is probably September. If you wait any later than that and your larkspur may not have a chance to grow to maturity. You can get started a little bit earlier by starting your larkspur indoors.

Last Frost Date

The average date of last frost is April 15 in Eldridge. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Eldridge may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Eldridge last frost occurs after April 15 be ready to cover your larkspur in the event of one of those late frosts.

USDA Zone Info for Eldridge

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Eldridge

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