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.

A common way of figuring out when it's possible to plant primula is to refer to the USDA zone info for Sykesville.

Planting Calendar for Primula

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

Since primula are very cold tolerant you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant primula in Sykesville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant primula and expect a good harvest is probably September. If you wait any later than that and your primula may not have a chance to grow to maturity. You can get started a little bit earlier by starting your primula indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Sykesville. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Sykesville is just an average and the actual date of last frost is different every year. Half of the time in Sykesville there is a last frost after April 15 so be sure to be ready to protect your primula in the event of one of those late frosts.

USDA Zone Info for Sykesville

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Sykesville

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