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.

You can estimate when you can plant coleus in Mountlake Terrace by referring to the USDA zone info.

Planting Calendar for Coleus

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

Coleus require warm weather which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant coleus 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 coleus and expect a good harvest is probably August. If you wait any later than that and your coleus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your coleus indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Mountlake Terrace is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Mountlake Terrace there is a last frost after March 15 so just be sure to be ready to cover your coleus in the event of 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.