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

The USDA zone info for Victoria can be reviewed to figure out 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 has passed.

It's probably a bad idea to plant heliotrope until after the last frost has passed because they require warm weather.

The earliest that you can plant heliotrope in Victoria 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 heliotrope and expect a good harvest is probably September. Any later than that and your heliotrope may not have a chance to fully mature. Starting your heliotrope indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Victoria. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Victoria may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Victoria there is a last frost after February 15 be ready to cover your heliotrope in the event of one of those late frosts.

USDA Zone Info for Victoria

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 Victoria

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