July 18, 2014:  Woody Plant Propagation

July 18, 2014: Woody Plant Propagation

Tree dieback continues to be a prime topic on the Wisconsin Horticulture Update with several participants reporting having received questions on this topic within the past week.  Poor vegetable performance (particularly tomatoes and peppers), various vegetable diseases/disorders (e.g., blossom end rot, Septoria leaf spot of tomato, white rust of cole crops, Phytophthora crown rot), tree galls, […]

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July 11, 2014:  Spotted-Wing Drosophila Update

July 11, 2014: Spotted-Wing Drosophila Update

Wisconsin weather continues to be wet this week with temperatures on the cool side.  Wisconsin Horticulture Update participants comment on high populations of mosquitoes,  emerald ash borer, and Japanese beetle, as well as on receiving calls about tree dieback (yet again), tomato leaf blights, wildlife damage, and weed identification.  Other topics of discussion include grasshoppers […]

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June 27, 2014:  Plant Viruses

June 27, 2014: Plant Viruses

Yet another rainy week comes to the Wisconsin Horticulture Update with participants reporting heavy rain and flooding in many areas of the state.  County UW-Extension agents/educators report a hodgepodge of questions with a concentration of questions in the area of plant identification.  Leaf galls, leaf blights (including tomato leaf blights), nitrogen leaching and continued tree […]

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June 20, 2014:  Weed/Invasive Plant Update

June 20, 2014: Weed/Invasive Plant Update

Rain, rain and more rain is the operative word this week on the Wisconsin Horticulture Update.  Many participants comment on substantial rain during the past week, as well as high winds in some locations.  County UW-Extension agents/educators mention receiving inquiries about tree dieback, poorly growing vegetables, herbicide injury, vegetable insects, woody ornamental cankers and bears! […]

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June 13, 2014:  Exotic/Invasive Worms

June 13, 2014: Exotic/Invasive Worms

A relative quiet week greets Wisconsin Horticulture Update participants this week with many county Extension agents reporting a continuation of the same sorts of questions that they received last week.  These include questions on emerald ash borer and trees (particularly fruit trees) that have leafed out and then collapsed.  Weed and other plant identification questions […]

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June 6, 2014:  Brown Marmorated Stink Bug Update

June 6, 2014: Brown Marmorated Stink Bug Update

Heavy rains hit northwest Wisconsin this week as warm temperatures continue throughout most of the rest of the state.  Wisconsin Horticulture Update participants report receiving numerous inquiries about emerald ash borer, weed identification and trees and shrubs that have not leafed out or have leafed out and then collapsed.  Mosquitoes, flea beetles, cutworms, tent caterpillars, […]

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May 30, 2014:  New/Exciting Herbaceous Plants

May 30, 2014: New/Exciting Herbaceous Plants

  Warm temperatures finally arrive across Wisconsin and it appears that summer has arrived.  Wisconsin Horticulture Update participants comment on heavy rains in some areas of the state and that flowering ornamentals (e.g., crabapples, lilac, iris) are anywhere from bud stage to past peak bloom depending on location.  Dandelions are seeding in many locations, and […]

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May 23, 2014:  Bees and GMO’s

May 23, 2014: Bees and GMO’s

Spring continues to progress in Wisconsin, but in some areas seems to be compressed, with spring-blooming plants (including crabapples, lilacs and garlic mustard) all blooming at the same time.  Spring finally arrives in the northwest, with forsythia and tulips in bloom.  Participants comment on excessive numbers of dandelions, maples seedlings and ticks and that questions […]

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May 16, 2014:  Late Blight Update

May 16, 2014: Late Blight Update

Cold, wet and rainy weather continues in the state with cool soil temperatures and frost (at least in low areas) reported in many locations in the state.  Wisconsin Horticulture Update participants report that trees are leafing in the south and that spring bulbs are finally blooming in the little northeast.   Common problems encountered  and discussed […]

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May 9, 2014:  Emerald Ash Borer Update

May 9, 2014: Emerald Ash Borer Update

Spring slowly progresses in Wisconsin with Wisconsin Horticulture Update participants from the southern part of the state reporting that springs bulbs, as well as woody ornamentals such as forsythia, are finally blooming.  In northwest Wisconsin, however ice is still visible on Lake Superior.  This week’s Wisconsin Horticulture Update includes an extensive discussion of the status […]

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