Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's a good idea to plant angel's trumpets is to examine the USDA zone info for Youngsville.

Planting Calendar for Angel's Trumpets

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

You can plant angel's trumpets slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant angel's trumpets in Youngsville 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 angel's trumpets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your angel's trumpets may not have a chance to fully mature. If you are starting your angel's trumpets indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Youngsville. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Youngsville is just an average and the actual date of last frost is different every year. Half of the time in Youngsville you get surprised by a frost after February 15 so be sure to be ready to protect your angel's trumpets in the event of one of those late frosts.

USDA Zone Info for Youngsville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Youngsville

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