When to Plant Copperleaf in Arlington, WA

Before planting it is a good idea to find your USDA Zone info to determine your garden 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 Arlington should be used to determine when to plant copperleaf.


Planting Calendar for Copperleaf

Frost tolerance for copperleaf: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since copperleaf are not cold tolerant you really should wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant copperleaf in Arlington 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 copperleaf and expect a good harvest is probably August. You probably don't want to wait any later than that or else your copperleaf may not have a chance to grow to maturity. Starting your copperleaf indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Arlington is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Arlington you get a frost after March 15 so make sure that you are prepared to cover your copperleaf if you have a late frost.

USDA Zone Info for Arlington

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 Arlington

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