One of the first steps you take when you are figuring out 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.

It's a good idea to determine when it's the best time to plant angel's trumpets by referring to the USDA zone info for Indian Wells.

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 do ok in moderate cold which means that you can start planting them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant angel's trumpets in Indian Wells 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 really do well. Starting your angel's trumpets indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Indian Wells. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Indian Wells is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Indian Wells it frosts late in the year after February 15 so make sure that you are prepared to protect your angel's trumpets in the event of a surprise late frost.

USDA Zone Info for Indian Wells

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 Indian Wells

You may be interested in your other planting guides for Indian Wells.