Horticulture News

National Pollinator Week 2016

Posted by & filed under Horticulture News, Natural Areas, Tom Houser Blog.

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By Tom Houser, Norfolk Botanical Garden Senior Horticulturist June 20-June 27th 2016 In recognition of National Pollinator Week, I’d like to share some pictures of some of the pollinators that were visiting the Butterfly Weed (Asclepias tuberosa) in my front yard last week. While I’ve always been a big fan of Butterfly Weed for its…

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A Mild December in 2015

Posted by & filed under Garden News, Horticulture News, Tom Houser Blog.

Ginkgo tree leaves enchanted forest

By Tom Houser, Norfolk Botanical Garden Senior Horticulturist It’s that time of the year when things here at the Garden are slowing down after completing most of our fall plantings. The Herbaceous team has completed their always arduous change-out of our annual beds, and every team is taking a breather after planting thousands (and thousands!)…

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Blackspot of Roses

Posted by & filed under Don Buma Blog, Garden News, Horticulture News, Perennials.

Blackspot of roses is a fungus disease that can cause leaves to yellow and eventually defoliate. The first signs of blackspot, usually on lower leaves working its way up the plant, are leaves with dark, roughly circular spots with uneven edges. The most severe cases of blackspot occur when the relative humidity is above 85%…

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Poison Ivy

Posted by & filed under Don Buma Blog, Garden News, Horticulture News, Natural Areas.

Poison ivy (formerly Rhus radicans now Toxicodendron radicans) Can you identify poison ivy if you should come across this plant while weeding in your garden or out hiking? This is a vital skill if you wish to avoid the rash and irritation that results from coming in contact with it.  The old adage:  “Leaves of…

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Pruning Nandina

Posted by & filed under Don Buma Blog, Garden News, Horticulture News.

Nandina, Nandina domestica, also called heavenly bamboo, is one of those plants that some people love to hate. These feelings are probably engendered by the over-use use of nandina because of its aggressive behavior. However, it is a tough and pretty much year-round interest plant with white flowers in spring, green foliage throughout the year…

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Sheet Composting

Posted by & filed under Don Buma Blog, Garden News, Horticulture News.

This is a follow-on to my previous encouragement that mulch leaves rather than bagging and curbing them. Compost piles are a great manner in which to turn shredded leaves into a healthy soil enriching product. However, if you are like me, the overall work required to set up and manage a compost pile does not…

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Do Plants Experience Wind Chill?

Posted by & filed under Don Buma Blog, Garden News, Horticulture News.

During some of the coldest  parts of the winter when weathermen report bone-chilling wind chill factors, have you ever wondered if plants also are subject to those same wind chills? Here is what Kansas State University, which sometimes experiences amazing wind chills, has to say about this topic. “Though wind chills can have a profound…

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