Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when to plant alyssum in New Richmond by referring to the USDA zone info.

Planting Calendar for Alyssum

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

Alyssum are very cold tolerant which tells us that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant alyssum in New Richmond 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. If you wait any later than that and your alyssum may not have a chance to fully mature. Starting your alyssum indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in New Richmond. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for New Richmond is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in New Richmond last frost occurs after May 15 so just be sure to be ready to protect your alyssum if you have one of those late frosts.

USDA Zone Info for New Richmond

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 New Richmond

You may be interested in your other planting guides for New Richmond.