One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Victoria it's possible to estimate when to plant alyssum.

Planting Calendar for Alyssum

Frost tolerance for alyssum:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Alyssum tend to make it in quite a bit of cold which means that you can plant them quite a bit earlier in the year than other frost tender plants.

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

Last Frost Date

On average all chance of frost has passed is on May 15 in Victoria. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Victoria 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 Victoria you get surprised by a frost after May 15 be ready to protect your alyssum if you have one of those late frosts.

USDA Zone Info for Victoria

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

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

Plants to Grow in Victoria

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