The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Derby you can estimate when it's the best time to plant angelonia by referring to 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.

Angelonia tend to make it in very little cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant angelonia in Derby 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 angelonia and expect a good harvest is probably August. If you wait any later than that and your angelonia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your angelonia indoors.

Last Frost Date

In Derby the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Derby is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Derby last frost occurs after April 15 so be sure to be ready to protect your angelonia if you have a surprise late frost.

USDA Zone Info for Derby

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Derby

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