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.

It's a good idea to figure out when you can plant morning glory by reviewing the USDA zone info for Silverton.

Planting Calendar for Morning Glory

Frost tolerance for morning glory:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since morning glory are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant morning glory in Silverton is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant morning glory and expect a good harvest is probably August. You probably don't want to wait any later than that or else your morning glory may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your morning glory indoors.

Last Frost Date

The average date of last frost is March 15 in Silverton. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Silverton is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Silverton there is a last frost after March 15 be ready to protect your morning glory if you have one of those late frosts.

USDA Zone Info for Silverton

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 Silverton

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