One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

By reviewing the USDA zone info for Oakdale you should be able to determine when to plant angel's trumpets.

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 barely cold tolerant which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant angel's trumpets in Oakdale 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. If you wait any later than that and 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 couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Oakdale. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Oakdale is just an average and the actual date of last frost is different every year. Half of the time in Oakdale you get surprised by a frost after February 15 so make sure that you are prepared to protect your angel's trumpets if you have a late frost.

USDA Zone Info for Oakdale

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 Oakdale

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