When to Plant Myosotis in Issaquah, WA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when to plant myosotis by looking at the USDA zone info for Issaquah.


Planting Calendar for Myosotis

Frost tolerance for myosotis: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant myosotis just a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant myosotis in Issaquah is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant myosotis and expect a good harvest is probably September. If you wait any later than that and your myosotis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your myosotis indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Issaquah is an average and the actual date of last frost changes from year to year. Since half of the time in Issaquah you get surprised by a frost after March 15 be ready to cover your myosotis in the event of one of those late frosts.

USDA Zone Info for Issaquah

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 Issaquah

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