When can I plant Twinspur in Zone 10b

One of the best tools that we have as gardeners to help us determine our 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 our area.

The first opportunity to plant twinspur in Zone 10b can be determined by using the USDA zone info.


Planting Calendar for Twinspur

Frost tolerance for twinspur: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Twinspur tend to make it in moderate cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant twinspur in Zone 10b 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 twinspur and expect a good harvest is probably October. If you wait any later than that and your twinspur may not have a chance to fully mature. Starting your twinspur indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 10b the average date of last frost happens on January 31. In the coldest months of winter we should expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Zone 10b may not be accurate from year to year and our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 10b it frosts late in the year after January 31 be ready to protect your twinspur if we have a surprise late frost.

USDA Zone Info for Zone 10b

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 Zone 10b

You may be interested in our other planting guides for Zone 10b.