The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Mukilteo you will be able to determine when it's the best time to plant morning glory.

Planting Calendar for Morning Glory

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

Morning Glory require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant morning glory in Mukilteo 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. If you wait any later than that and your morning glory may not have a chance to really do well. You can get started a couple of weeks earlier by starting your morning glory indoors.

Last Frost Date

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

Since the USDA zone info for Mukilteo is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Mukilteo you get surprised by a frost after March 15 be ready to protect your morning glory if you have a surprise late frost.

USDA Zone Info for Mukilteo

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 Mukilteo

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