When to Plant Iresene in Titusville, PA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant iresene in Titusville can be figured out by reviewing the USDA zone info.


Planting Calendar for Iresene

Frost tolerance for iresene: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You really shouldn't plant iresene until after the last frost because they are not cold tolerant.

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

The earliest that you can plant iresene in Titusville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant iresene and expect a good harvest is probably August. If you wait any later than that and your iresene may not have a chance to really do well. Starting your iresene indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Titusville the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Titusville is just an average and the actual date of last frost will vary from year to year. Half of the time in Titusville you get surprised by a frost after April 15 so be sure to be ready to protect your iresene in the event of a late frost.

USDA Zone Info for Titusville

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 Titusville

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