Garden & Yard Issues

What's Bugging Your Garden? Cucumber Beetles

Striped cucumber beetles are little yellow and black striped beetles that are fairly small, but what they lack in size they make up for in numbers and appetite.

What’s Bugging Your Garden? Colorado Potato Beetles

Colorado potato beetles have become all too common in many home gardens and also in community gardens where potatoes are commonly grown. If left untreated, they can defoliate potato plants, drastically cutting yields of the delicious tubers that so many of us love to eat.

Weeds Around Spruce Seedlings?

I have many producers call wanting a control for the broadleaf weeds coming up around their young Colorado and Black Hills spruce seedlings. At this time of year we are looking at post-emergence herbicides to control weeds that have become established.

What’s Bugging Your Garden? Broom Moth

There is a new pest problem for flower growers that enjoy Baptisia (false indigo) called the Genista Broom Moth. It is actually the caterpillars that cause the damage.

Shot Hole Disease in Apricots

Shot hole disease of apricot trees can be identified through symptoms on leaves and fruit. Small holes will appear on leaves while brown lesions with a deep purple band will show up on fruit.

Earwigs in the Garden: Less-Toxic Control Alternative

Since earwigs provide some ecological service as natural enemies, I hesitate to recommend a pesticide application to control it. As an alternative least-toxic solution, bait trapping the earwigs should work to reduce the insect’s population to the non-threatening levels.

Mulberry Trees

Every year about this time I received a few samples of mulberry trees. This is a very common tree in South Dakota, not so much from being planted by people but from birds.

Biological Control of Pests in High Tunnels

Major insect and mite pests in high tunnels include aphids, thrips, white flies, and spider mites. Biological control uses living organisms (natural enemies) to suppress or limit pest populations to levels that do not cause economic injury to the crop.

Maple Trees Looking Thin at This Time

Many of our maple trees are looking thinner at the tips of their canopies. The foliage in the lower, interior of these trees is dense, but when you look up at the tops, the leaves appear fewer and there are noticeable gaps at the base of the new shoot.

Apple Issues

Learn to identify and manage common apple tree issues including: apple maggot injury, apple scab, cedar apple rust, and fruit cracking.