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When to Plant Pincushion Flower in Shelbyville, KY

One of the first steps you take when you are estimating 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.

You will be able to estimate when it's the best time to plant pincushion flower by referring to the USDA zone info for Shelbyville.


Planting Calendar for Pincushion Flower

Frost tolerance for pincushion flower: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Pincushion Flower do well in moderate cold which tells us that you can plant them a little bit earlier than other plants that might not handle the cold.

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

The earliest that you can plant pincushion flower in Shelbyville 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 pincushion flower and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pincushion flower may not have a chance to fully mature. Starting your pincushion flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Shelbyville. It might get as low as -10°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Shelbyville and it changes from year to year. Since half of the time in Shelbyville you get a frost after April 15 be ready to cover your pincushion flower in the event of a late frost.

USDA Zone Info for Shelbyville

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 Shelbyville

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