This is a repost of a Wisconsin Horticulture, Division of Extension article. The original article can be found at:
Bypassing Plant Pathogens: Promoting Tree and Shrub Health Through Proper Pruning
Posted on February 3, 2021
Pruning in the winter can reduce the risk of disease-causing organisms infecting trees and shrubs through pruning cuts.
By Brian Hudelson, Plant Disease Diagnostic Clinic
Although it doesn’t seem like the optimal time to be gardening, February is actually a great time to be out pruning your trees and shrubs to make them more structurally sound and aesthetically pleasing.
Why prune now? Whenever you prune, you create wounds that potentially can serve as entry points for disease-causing fungi and bacteria. If you prune in the spring and summer (when it’s warmer and often wetter), these organisms are very active and more likely land on fresh pruning cuts and infect. When the weather is colder and drier (as it tends to be in February in Wisconsin), disease-causing organisms are much less active and the chances of them infecting though pruning cuts is much reduced.
How do I go about pruning? Check out University of Wisconsin Garden Facts XHT1013 (Pruning Evergreens), XHT1014 (Pruning Deciduous Trees) and XHT1015 (Pruning Deciduous Shrubs) for pointers on how to prune.
Prune only when it’s dry, and decontaminate pruning tools between cuts (or at a minimum between each tree or shrub) by treating them with 70% alcohol (e.g., rubbing alcohol right out of the bottle, spray disinfectants containing ~70% alcohol) or (in a pinch) 10% bleach. Decontaminating tools kills off disease-causing organisms that you might pick up as you prune. Once done pruning, if you’ve used bleach, be sure to thoroughly rinse your tools, and oil them to prevent them from rusting.
By pruning regularly and taking a few simple precautions as you do, you will end up with trees that are beautiful, structurally sound and healthy.
If you garden organically, you know that weeds can be a real problem. In this video, Kevin Schoessow breaks down all of the types of organic mulches that we use in the Teaching & Display Garden. He explains the pros and cons of several types of mulch and how to properly apply them. Give this a watch--you'll gain a new understanding of the whole mulching process!
For the Love of Sweet peas!
Sweet peas are one of my very favorite flowers to use in fresh cut bouquets. The fragrance of a sweet pea is amazing. They look like a butterfly in a bouquet.
Here are a few tips regarding growing your sweet peas.
It is very important to help your sweet peas climb. Have some sort of a structure to help them climb.
Another fantastic trick is using paper twists to help hold the plant in place as it climbs up.
You can see my simple white paper twist on my birch pole, helping train that vine to climb up.
I have sweet peas climbing along side a wall. In this photo you will see I have used fence posts, twine and my paper twists to help train the sweet peas to climb.
The paper twist trick as helped me train sweet peas, rewarding me with lovely long stem blooms to use in bouquets.
Remember the more you pick sweet pea the more they will bloom.
You are invited to a Zoom program.
When: June 17, 2020 06:30 PM Central Time (US and Canada)
Register in advance for this meeting:
After registering, you will receive a confirmation email containing information about joining the meeting.
Composting is where it all begins. Learn the basics of composting to enrich your soil to benefit the plants you nurture whether they are flowers or vegetables. The program will cover the benefits of composting, ingredients for a compost pile, the types of compost bins, and how to use the finished compost.
Kevin Schoessow, UW Extension Area Agriculture Development Educator provides a short video on growing garlic.
Easy steps for a successful Victory Garden 2.0…(with recommendations from the 1943 Victory Garden Manual by James Burdett, adapted for today’s world.)
1. Know your growing zone!– Just enter your zip code here to find your zone.
I recently stopped in at my local library and checked out, Growing Your Own Tea Garden .. by Jodi Helmer
If you enjoy tea and growing herbs you will find tips to create your own tea garden.
You Love To Drink Tea. Why Not Grow Your Own? If you’ve ever considered raising your own tea, this comprehensive guide is the place to start. Growing Your Own Tea Garden is packed with inspiration and practical instructions for cultivating and enjoying delicious teas. Author Jodi Helmer helps you plan and plant a productive backyard tea garden, with sample garden designs and cultivation advice. She shows you how to choose the right crops for your soil and climate, starting with the tea plant (Camellia sinensis) and going on through a comprehensive survey of tisanes, or herbal teas. Discover how to grow the full range of herbal infusions that make wonderful teas, from flowering chamomile and lavender to chicory roots, rose hips, lemon verbena, peppermint, aromatic bergamot and more. Jodi...
Because being a grown - up is hard.
NCMGV ~ Carla TePaske
Garlic is part of the Onion family. It is a herbaceous perennial that we grow as an annual in Wisconsin. Garlic can be grown in Wisconsin’s Zone 3 and warmer to Zones 6-7; however, you need to make sure the cultivar is hardy for your zone. Garlic is a monocot with basal leave formations. Garlic is comprised of multiple cloves. Cloves arise from an axillary bulb. Leaves are solid, flattened and folded.
State plant health officials are advising consumers who bought rhododendrons or azaleas this spring and summer to be on the lookout for signs of a disease that could spread to oaks and kill them. Phytophthora ramorum has been found on rhododendrons at a northern Wisconsin nursery. This fungus causes sudden oak death, which has never been found on the landscape in Wisconsin. Questions can be directed to the UW Plant Disease Diagnostics Clinic. Please review this fact sheet which was recently updated: https://hort.extension.wisc.edu/articles/sudden-oak-death/
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Diversity in the garden