The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when to plant pentas is to look at the USDA zone info for Seaside.

Planting Calendar for Pentas

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

Pentas require warm weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant pentas in Seaside 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 pentas and expect a good harvest is probably September. If you wait any later than that and your pentas may not have a chance to really do well. Starting your pentas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Seaside. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Seaside may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Seaside you get surprised by a frost after February 15 so just be sure to be ready to cover your pentas if you have one of those late frosts.

USDA Zone Info for Seaside

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Seaside

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