When to Plant Tropical Water Plants in Rockland, ME

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Rockland it's a good idea to figure out when it's a good idea to plant tropical water plants.


Planting Calendar for Tropical Water Plants

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

Since tropical water plants require warm weather it's important to wait until after the last frost before you can plant them.

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 Rockland 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. If you wait any later than that and your tropical water plants may not have a chance to really do well. Starting your tropical water plants indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Rockland the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rockland is an average and the actual date of last frost is different every year. Since half of the time in Rockland you get surprised by a frost after April 15 be ready to cover your tropical water plants in the event of one of those late frosts.

USDA Zone Info for Rockland

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 Rockland

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