One of the first steps you take when you are making a decision about your gardening schedule is find your 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 Jefferson City you can determine when it's a good idea to plant angel's trumpets by looking at the USDA zone info.

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.

Angel's Trumpets are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant angel's trumpets in Jefferson City 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 angel's trumpets and expect a good harvest is probably August. Any later than that and your angel's trumpets may not have a chance to grow to maturity. You can get started a little bit earlier by starting your angel's trumpets indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Jefferson City. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Jefferson City and it can change quite a bit from year to year. Half of the time in Jefferson City you get surprised by a frost after April 15 so just be sure to be ready to protect your angel's trumpets in the event of a surprise late frost.

USDA Zone Info for Jefferson City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Jefferson City

You may be interested in your other planting guides for Jefferson City.