When to Plant Hibiscus in Mountlake Terrace, WA

One of the best tools that you have as gardeners to help us figure out 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.

The first opportunity to plant hibiscus in Mountlake Terrace should be estimated by checking out the USDA zone info.


Planting Calendar for Hibiscus

Frost tolerance for hibiscus: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since hibiscus require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant hibiscus
Possibly ok, but a risky time to plant hibiscus
Probably not a good time to plant hibiscus

The earliest that you can plant hibiscus 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 hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hibiscus may not have a chance to really do well. Starting your hibiscus indoors is a great way to get them started a couple of weeks earlier.

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.

Since the USDA zone info for Mountlake Terrace is just an average the actual date of last frost will vary from year to year. Half of the time in Mountlake Terrace last frost occurs after March 15 so make sure that you are ready to protect your hibiscus in the event of a surprise late frost.

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 Low15°F
Highest Expected Low20°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.