When to Plant Tropical Water Plants in Franklin, PA

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

A way of determining when it's a good idea to plant tropical water plants is to examine the USDA zone info for Franklin.


Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants: Not tolerant of frost.
When to plant: After the last frost has passed.

You really shouldn't plant tropical water plants until after the last frost when the weather gets warmer because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant tropical water plants
Possibly ok, but a risky time to plant tropical water plants
Probably not a good time to plant tropical water plants

The earliest that you can plant tropical water plants in Franklin 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 tropical water plants and expect a good harvest is probably August. Any later than that and your tropical water plants may not have a chance to fully mature. Starting your tropical water plants indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Franklin the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Franklin is an average the actual date of last frost will vary from year to year. Half of the time in Franklin it frosts late in the year after April 15 so just be sure to be ready to protect your tropical water plants if you have one of those late frosts.

USDA Zone Info for Franklin

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 Franklin

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