Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant mustard in Woodinville should be estimated by looking at the USDA zone info.

Planting Calendar for Mustard

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

Mustard do not do well in cold weather which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

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

Last Frost Date

On average the last frost has passed is on March 15 in Woodinville. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Woodinville is just an average the actual date of last frost will vary from year to year. Since half of the time in Woodinville it frosts late in the year after March 15 be ready to protect your mustard in the event of a late frost.

USDA Zone Info for Woodinville

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 Woodinville

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