One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

A way of determining when to plant trifolium is to consult the USDA zone info for Aberdeen.

Planting Calendar for Trifolium

Frost tolerance for trifolium:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Trifolium can survive in mild cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Aberdeen. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Aberdeen is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Aberdeen it frosts late in the year after April 15 be ready to protect your trifolium in the event of one of those late frosts.

USDA Zone Info for Aberdeen

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Aberdeen

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