When to Plant Asparagus Fern in Hayward, CA

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant asparagus fern is to use the USDA zone info for Hayward.


Planting Calendar for Asparagus Fern

Frost tolerance for asparagus fern: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You can not plant asparagus fern until after the last frost when the weather gets warmer because they are not cold tolerant.

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

The earliest that you can plant asparagus fern in Hayward 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 asparagus fern and expect a good harvest is probably September. If you wait any later than that and your asparagus fern may not have a chance to grow to maturity. Starting your asparagus fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Hayward. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Hayward 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 Hayward last frost occurs after January 31 be ready to cover your asparagus fern in the event of a surprise late frost.

USDA Zone Info for Hayward

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Hayward

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