One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Mountlake Terrace should be looked at to determine when you can plant plectranthus.

Planting Calendar for Plectranthus

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

Since plectranthus are not cold tolerant you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant plectranthus 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 plectranthus and expect a good harvest is probably August. If you wait any later than that and your plectranthus may not have a chance to grow to maturity. Starting your plectranthus indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Mountlake Terrace may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Mountlake Terrace last frost occurs after March 15 be ready to cover your plectranthus 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.