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apricto leaves with several small holes throughout

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.

peace lily plant with green leaves and delicate white flowers

Peace lilies, or Spathiphyllum, are popular houseplants because they are generally easy to grow, have pretty flowers and can tolerate lower light levels. But lots of people do have problems with them. I would say that most of these problems relate to improper watering and fertilizing.

Tomatoes growing in a high tunnel. Courtesy: USDA

Pollinating Tomatoes in High Tunnels

In field-grown tomatoes the air movement is sufficient to vibrate flowers and achieve pollination. This is not generally true in the high tunnel because there is not sufficient natural wind to vibrate the flowers. High tunnel tomato growers should therefore pollinate their crop by other means.

plant with thick, green leaves and clusters of pink, cup-shaped flowers.

Pig Squeak: Bergenia cordifolia ‘Winterglut’ (Winterglow)

Bergenia is a great plant for many different types of sites in the garden performing well in shady locations to full sun, if extra moisture is provided. It looks great as a single specimen plant or planted in groups of five or more.

Nugget Ninebark (Physocarpus opulifolius ‘Nugget’)

‘Nugget’ is a South Dakota State University release of this popular shrub. This particular cultivar has lovely golden yellow foliage in the spring which fades to a darker green later in the season.

a thicket of tall, green to brown grass planted in a garden

Native Plants: Switchgrass (Panicum virgatum)

Switchgrass (Panicum virgatum) is a native, warm season prairie grass that has slowly found its way into the popular ornamental grass market.

plastic container with lid removed. several earwigs are floating in the oil inside.

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.

plant seeds in moisture-proof foil bags stored in bins on a shelf

Healthy Seeds Make Healthy Plants

Saving seeds is a fun and economical way to produce plants for the next year. There are concerns however when saving seeds about seed-borne diseases.