One of the first steps you take when you are figuring out 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.

You can determine when it's the best time to plant blue throatwort in Desert Hot Springs by reviewing the USDA zone info.

Planting Calendar for Blue Throatwort

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

Blue Throatwort are not cold tolerant which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Desert Hot Springs is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant blue throatwort and expect a good harvest is probably September. Any later than that and your blue throatwort may not have a chance to really do well. Starting your blue throatwort indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Desert Hot Springs. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Desert Hot Springs is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Desert Hot Springs it frosts late in the year after February 15 so always be ready to protect your blue throatwort if you have one of those late frosts.

USDA Zone Info for Desert Hot Springs

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 Low	25°F
Highest Expected Low	30°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 Desert Hot Springs

You may be interested in your other planting guides for Desert Hot Springs.