One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 USDA zone info for Edmonds should be looked at to estimate when it's the best time to plant iresene.

Planting Calendar for Iresene

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

Iresene do not do well in cold weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant iresene in Edmonds 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 iresene and expect a good harvest is probably August. If you wait any later than that and your iresene may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your iresene indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Edmonds. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Edmonds is not always accurate the actual date of last frost is different every year. Since half of the time in Edmonds last frost occurs after March 15 be ready to cover your iresene if you have one of those late frosts.

USDA Zone Info for Edmonds

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 Edmonds

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