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.

A common way of estimating when it's a good idea to plant elephant ears is to use the USDA zone info for Issaquah.

Planting Calendar for Elephant Ears

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

You can not plant elephant ears until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant elephant ears in Issaquah 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 elephant ears and expect a good harvest is probably August. Any later than that and your elephant ears may not have a chance to really do well. You can get started a little bit earlier by starting your elephant ears indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Issaquah. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Issaquah is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Issaquah you get a frost after March 15 be ready to protect your elephant ears if you have a late frost.

USDA Zone Info for Issaquah

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 Issaquah

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