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When to Plant Primula in North Ridgeville, OH

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.

It's a good idea to determine when it's possible to plant primula by reviewing the USDA zone info for North Ridgeville.


Planting Calendar for Primula

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

Primula do well in quite a bit of cold which means that you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant primula
Possibly ok, but a risky time to plant primula
Probably not a good time to plant primula

The earliest that you can plant primula in North Ridgeville 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. You probably don't want to wait any later than that or else your primula may not have a chance to grow to maturity. If you are starting your primula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in North Ridgeville. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for North Ridgeville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in North Ridgeville you get surprised by a frost after April 15 so be sure to be ready to cover your primula in the event of one of those late frosts.

USDA Zone Info for North Ridgeville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in North Ridgeville

You may be interested in your other planting guides for North Ridgeville.