One of the first steps you take when you are determining 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.

You should be able to estimate when to plant morning glory by referring to the USDA zone info for Mountlake Terrace.

Planting Calendar for Morning Glory

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

You really shouldn't plant morning glory until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant morning glory in Mountlake Terrace 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 fully mature. You can get started a little bit earlier by starting your morning glory indoors.

Last Frost Date

On average the last frost is on March 15 in Mountlake Terrace. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Mountlake Terrace may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Mountlake Terrace last frost occurs after March 15 be ready to protect your morning glory if you have one of those late frosts.

USDA Zone Info for Mountlake Terrace

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Mountlake Terrace

You may be interested in your other planting guides for Mountlake Terrace.