When to Plant Myosotis in New Castle, PA

One of the first steps you take when you are getting a good idea 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.

The first opportunity to plant myosotis in New Castle can be figured out by checking out the USDA zone info.


Planting Calendar for Myosotis

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

You can plant myosotis a bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant myosotis in New Castle 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 myosotis and expect a good harvest is probably September. If you wait any later than that and your myosotis may not have a chance to really do well. You can get started a little bit earlier by starting your myosotis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in New Castle. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for New Castle is just an average and the actual date of last frost will vary from year to year. Since half of the time in New Castle you get surprised by a frost after April 15 be ready to cover your myosotis in the event of a late frost.

USDA Zone Info for New Castle

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 New Castle

You may be interested in your other planting guides for New Castle.