Ask UNH Extension Articles

October 16, 2019

A very common gardening myth is that pine trees and the needles they drop acidify the soil. While...

October 10, 2019

Dahlias can be kept for many years if they are treated properly. Dahlias start producing tubers in...

October 2, 2019

Though some plants are termed “evergreen”, that doesn’t mean they never lose their needles....

September 27, 2019

Last winter was remarkably tough on many landscape plants. Rhododendrons were especially hard hit,...

September 20, 2019

After fertilizer and grass seed, grub control products are typically the most prominently displayed...

September 19, 2019

Brightly colored fall chrysanthemums, or “mums,” are hard to miss as summer winds down and fall...

September 12, 2019

Crabgrass is one of the most ubiquitous weeds of lawns and landscapes. Native to Europe and Eurasia...

August 30, 2019

Caterpillars in the landscape are a common sight over the summer and early fall, and the vast...

August 29, 2019

Many people assume that the best time to plant trees and shrubs is in the spring because they have...

August 21, 2019

A Japanese maple (Acer palmatum) is one of the statelier plants that can be used in the garden....

August 14, 2019

Milkweed is most often thought of as the home and food source of monarch butterfly larvae. However...

August 13, 2019

If you notice a vine which seems to spring up overnight, climbing shrubs and trees, the first...

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