Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's a good idea to plant pentas by referring to the USDA zone info for Bellevue.

Planting Calendar for Pentas

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

Pentas do not do well in cold weather which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant pentas in Bellevue 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 pentas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pentas may not have a chance to grow to maturity. If you are starting your pentas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Bellevue. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Bellevue is not always accurate the actual date of last frost changes from year to year. Since half of the time in Bellevue there is a last frost after April 15 be ready to protect your pentas in the event of a late frost.

USDA Zone Info for Bellevue

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Bellevue

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