When to Plant Stocks in Knoxville, IA

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 way of making a decision about when to plant stocks is to refer to the USDA zone info for Knoxville.


Planting Calendar for Stocks

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

You can plant stocks slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

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

The earliest that you can plant stocks in Knoxville 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 stocks and expect a good harvest is probably August. Any later than that and your stocks may not have a chance to fully mature. Starting your stocks indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Knoxville. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Knoxville is an average and the actual date of last frost changes from year to year. Half of the time in Knoxville it frosts late in the year after April 15 so just be sure to be ready to cover your stocks if you have one of those late frosts.

USDA Zone Info for Knoxville

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Knoxville

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