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

By looking at the USDA zone info for Auburn you will be able to estimate when it's possible to plant heliotrope.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Heliotrope require warm weather which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant heliotrope in Auburn 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 heliotrope and expect a good harvest is probably August. You probably don't want to wait any later than that or else your heliotrope may not have a chance to fully mature. You can get started a few weeks earlier by starting your heliotrope indoors.

Last Frost Date

The average date of last frost is April 15 in Auburn. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Auburn may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Auburn you get surprised by a frost after April 15 be ready to cover your heliotrope if you have one of those late frosts.

USDA Zone Info for Auburn

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Auburn

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