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NDSU Extension - Cass County

Everybody's Yard & Garden Guide

Category: Perennial Flower Care

Powdery Mildew on Peony, Vine Crops, Lilacs, Roses
July 16, 2018December 20, 2019 - Don Kinzler

Powdery Mildew on Peony, Vine Crops, Lilacs, Roses

Disease Control, Perennial Flower Care

The grayish-white coating that is commonly found in mid-summer on foliage of peonies, lilacs, zinnias,…

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How Often Should Peonies Be Divided?
January 11, 2018June 14, 2021 - Don Kinzler

How Often Should Peonies Be Divided?

Perennial Flower Care, Perennial Flower Types, Perennial Flowers

Peonies probably hold the record for the perennial with the longest life span. Stories are…

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How Low Can Plants Go?
December 27, 2017December 6, 2019 - Don Kinzler

How Low Can Plants Go?

Perennial Flower Care, Perennial Flowers, shrubs, trees

Arctic air is here, and we’re in the throes of a winter cold blast. Below…

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Hosta Disease Could Become a Serious Epidemic
November 13, 2017December 17, 2019 - Don Kinzler

Hosta Disease Could Become a Serious Epidemic

Perennial Flower Care, Perennial Flowers

When we say “new” in the world of plants, it’s often something that originated within…

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When is it Time to Protect Perennials for Winter?
November 6, 2017December 17, 2019 - Don Kinzler

When is it Time to Protect Perennials for Winter?

Perennial Flower Care, Perennial Flowers

After our region experiences plenty of freezing temperatures to “harden off” perennials and send them…

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Which Perennial Flowers Should Be Cut Back in Fall?
September 19, 2017October 9, 2020 - Don Kinzler

Which Perennial Flowers Should Be Cut Back in Fall?

Perennial Flower Care, Perennial Flowers

I miss the smell of burning leaves in the fall. I’m not sure why we…

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Fifty Degrees in February Not So Fabulous for Plants
February 17, 2017December 19, 2019 - Don Kinzler

Fifty Degrees in February Not So Fabulous for Plants

Perennial Flower Care, Perennial Flowers

Why can’t we have everything? Fifty degrees in February is fabulous, but it can make…

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Shovel Snow on Perennials for Extra Protection
December 21, 2016December 19, 2019 - Don Kinzler

Shovel Snow on Perennials for Extra Protection

Perennial Flower Care, Perennial Flowers

We associate snow with cold, but there’s a reason Eskimos use it to build houses…

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Plant or Divide Iris in August
August 10, 2016December 19, 2019 - Don Kinzler

Plant or Divide Iris in August

Perennial Flower Care, Perennial Flower Types, Perennial Flowers

Iris have been called the poor man’s orchid. Because they’re so beautiful, I think I’ll…

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When To Divide Perennial Flowers
April 5, 2016December 19, 2019 - Don Kinzler

When To Divide Perennial Flowers

Perennial Flower Care, Perennial Flowers

There’s lots to remember with the far-reaching topic of gardening. How do you know when…

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