When to Plant Matricaria in Sammamish, WA

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.

The USDA zone info for Sammamish should be reviewed to estimate when you can plant matricaria.

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Planting Calendar for Matricaria

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

You can plant matricaria a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The earliest that you can plant matricaria in Sammamish 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 matricaria and expect a good harvest is probably September. Any later than that and your matricaria may not have a chance to fully mature. You can get started a little bit earlier by starting your matricaria indoors.

Last Frost Date

On average the last frost is on March 15 in Sammamish. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Sammamish and it is different every year. Half of the time in Sammamish it frosts late in the year after March 15 so make sure that you are prepared to cover your matricaria in the event of a surprise late frost.

USDA Zone Info for Sammamish

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 Sammamish

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