frostdate name logo in white
frostdate name logo in white

When to Plant Bachelor Buttons in Signal Hill, CA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's possible to plant bachelor buttons by reviewing the USDA zone info for Signal Hill.


Planting Calendar for Bachelor Buttons

Frost tolerance for bachelor buttons: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Bachelor Buttons can survive in mild cold which means that you can plant them a little earlier in the year than more sensitive plants.

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

The earliest that you can plant bachelor buttons in Signal 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 bachelor buttons and expect a good harvest is probably October. If you wait any later than that and your bachelor buttons may not have a chance to grow to maturity. If you are starting your bachelor buttons indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Signal Hill. It might get as low as 35°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Signal Hill and it can change quite a bit from year to year. Since half of the time in Signal Hill last frost occurs after January 31 be ready to cover your bachelor buttons if you have a surprise late frost.

USDA Zone Info for Signal Hill

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Signal Hill

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