S3E23 Dealing with Powdery mildew, Building cold frames Guest author Jessica Walliser - The Wisconsin Vegetable Gardener radio show

Replay of The Wisconsin Vegetable Gardener Radio Show from 8-3-19
Heard on 860AM WNOV & W293cx 106.5FM Milwaukee, WI Saturday mornings 9-10AM CST
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Segment 1 Joey and Holly talk about what is and how to deal with powdery mildew in your garden

Dealing with powdery mildew
Host specific - just because you find it on one plant species, does not make it a threat to other type plants in your landscape.
Grayish white spots on leaves and even on stems
Water at the right time of day
Look for disease resistant varieties
Dont crowd your plants
Give plants enough sunlight
Avoid over fertlization
Use baking soda - mix one tablespoon of baking soda with a teaspoon of dormant oil and one teaspoon of insecticidal or liquid soap (not detergent) to a gallon of water. Spray on plants every one to two weeks.
Mouthwash and vinegar - 2 tablespoons per gallon of water and spray plants, do not spray new foliage
Milk - naturally occurring compounds in the milk are at work to combat the disease while also boosting the plant’s immune system. One experiment showed good results by applying a weekly dose of one part milk to two parts water.

In segment 2 Joey and Holly talk about how to build cold frames

Building cold frames
Extend your growing season on both parts of the year - spring and fall
Can use old windows, wood, straw bales, etc
Create mini greenhouse effect
Can also use plastic drop cloth - poly sheeting
In the spring you can use it to keep the ground warm to plant sooner
In the fall into winter you can harvest year round
Grow hardy vegetables, carrots, greens, radishes, etc
In the fall plants need to be established before any chance of freeze
May need to vent during the day

In segment 3 Joey and Holly welcome their guest Jessica Walliser

Jessica Walliser of http://www.jessicawalliser.com/ is an author, garden radio show host, blogger, columnist, and all around horticultural and botanical enthusiast. She lives in Pittsburgh, PA with her family.

As a gardener, you deal with weeds, as an organic gardener, how do you deal with them best?
For people growing in small spaces, such as urban gardening, especially vegetables, what is some advice you can give for one new to gardening in small spaces?
Many people dont realize you can grow fruit in small spaces, what are some great fruits to grow in containers and why do they work well?
Are there any advantages to small space gardening? What are they?
Your new book is the Gardener’s Guide to Compact Plants, can you tell us more about it and what to expect when read?
How can we find out more about you?

In segment 4 Joey and Holly answer gardeners questions

Garden questions
1.Q: What temp should the water be? You mean the water that I put in the jars with the string beans?
A:Yes they need to be hot so their not not such and different when u put them in the canner

2. .Q: I have an issue with my beets the leaves stay and turn dark purple. If you could let me know what it is and what to do that would be great.
A:When you notice a plant with purple leaves rather than the normal green color, it is most likely due to a phosphorus deficiency. All plants need phosphorus (P)

3.whats the best way to store Jerusalem Artichoke them for winter? is it ok in garage, in paper bags?
The best way to store Jerusalem Artichokes over the winter is a few ways
1. cut the plants at grown level and mound leaves three to four foot on top of the area it is growing to prevent the grown from freezing .
2. Take a bucket put a 2 in(continued)