One of the first steps you take when you are making a decision about 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 determine when you can plant angel's trumpets by reviewing the USDA zone info for Tumwater.

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 Tumwater 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 fully mature. You can get started a little bit earlier by starting your angel's trumpets indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Tumwater. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Tumwater is just an average and the actual date of last frost will vary from year to year. Since half of the time in Tumwater it frosts late in the year after March 15 be ready to protect your angel's trumpets in the event of a surprise late frost.

USDA Zone Info for Tumwater

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Tumwater

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