Updated USDA Plant Hardiness Zone Map
How does this Hardiness Zone Map differ from the old one? The new map is based on about 30 years of weather data, from 1991-2020, and the recommendations from a…
Can I plant trees, shrubs, and perennials now?
The short answers is: yes! Most plants we have at the nursery, can be planted now.
The Trees of O’Donal’s
The Trees of O’Donal’s Nursery Upon visiting O’Donal’s Nursery in Gorham, Maine, one can immediately see and feel that this place is different. The property is full of maturing trees…
Video: How to plant a tree.
You have a new tree and you need to get it into the ground. And, of course, you want to give your plant the best possible start by planting it…
Our New Geothermal Greenhouse
Our new, innovative geothermal greenhouse is now open and our first crop of perennials is ready for you. Come visit!
Pruning
As a plant grows, it often will require pruning for shape, size, or removal of dead or diseased material. Basically, any stem can be removed if it is necessary. Plants…
Pests & Diseases
A plant is a natural food supply for numerous pests and diseases. It is recommended not to spray unless absolutely necessary. Other methods of control, to be used along with…
Recommended Back-fill Soil Amendments
The following recommendations are based on our experience in growing plants for over 35 years, as well as recommendations recently acquired through industry research. The following soil mixtures should be…
How to plant guide
1. Locate the point at which trunk flare begins. This may require some removal of soil from the top of the root ball. 2. Dig hole 2-3 times width of…