One of the first steps you take when you are determining 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.

It's a good idea to figure out when it's a good idea to plant blue throatwort by checking out the USDA zone info for Fountain Hills.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant blue throatwort until after the last frost because they require warm weather.

The earliest that you can plant blue throatwort in Fountain Hills 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. You probably don't want to wait any later than that or else your blue throatwort may not have a chance to really do well. You can get started a few weeks earlier by starting your blue throatwort indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Fountain Hills. In the coldest months of winter you should expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Fountain Hills is an average and the actual date of last frost is different every year. Half of the time in Fountain Hills you get a frost after February 15 so make sure that you are prepared to protect your blue throatwort in the event of one of those late frosts.

USDA Zone Info for Fountain Hills

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 Fountain Hills

You may be interested in your other planting guides for Fountain Hills.