One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Windsor you can figure out when to plant angelonia by using the USDA zone info.

Planting Calendar for Angelonia

Frost tolerance for angelonia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since angelonia do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant angelonia in Windsor 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 angelonia and expect a good harvest is probably September. Any later than that and your angelonia may not have a chance to fully mature. You can get started a little bit earlier by starting your angelonia indoors.

Last Frost Date

The average date of last frost is February 15 in Windsor. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Windsor is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Windsor you get a frost after February 15 be ready to protect your angelonia if you have one of those late frosts.

USDA Zone Info for Windsor

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 Windsor

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