One of the first steps you take when you are making a decision about 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.

It's possible to estimate when it's the best time to plant copperleaf by referring to the USDA zone info for Ketchikan.

Planting Calendar for Copperleaf

Frost tolerance for copperleaf:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant copperleaf until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant copperleaf in Ketchikan 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. If you wait any later than that and your copperleaf may not have a chance to really do well. If you are starting your copperleaf indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ketchikan. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Ketchikan may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Ketchikan you get surprised by a frost after April 15 be ready to cover your copperleaf in the event of one of those late frosts.

USDA Zone Info for Ketchikan

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Ketchikan

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