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.

By referring to the USDA zone info for Ketchikan it's possible to determine when it's the best time to plant chrysanthemums.

Planting Calendar for Chrysanthemums

Frost tolerance for chrysanthemums:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Chrysanthemums do well in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chrysanthemums in Ketchikan is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chrysanthemums and expect a good harvest is probably August. Any later than that and your chrysanthemums may not have a chance to really do well. You can get started a couple of weeks earlier by starting your chrysanthemums indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ketchikan. In the coldest months of winter you should expect an average low temperature of 5°F.

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 will vary from year to year. Half of the time in Ketchikan there is a last frost after April 15 so be sure to be ready to cover your chrysanthemums if you have a surprise late frost.

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.