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Dealing with Chives Diseases

Gardening Guide: Chill Chives Guide

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Dealing with Chives Diseases

By Norann Oleson

Healthy chives growing in a pot

Healthy chives growing in a pot

Like all food crops, chives are susceptible to various fungal diseases. Your best weapons against these are best planting practices, which help prevent disease in the first place.

This is especially important, as there are no fungicides approved for home use for many diseases.

These best practices are aimed at producing strong, healthy plants that can withstand disease, and at avoiding situations that contribute to the development of disease. They involve keeping plants clean, dry, and undamaged.

Watering: Water your chives deeply about once a week (check the soil for dryness). Do not over-water; chives hate having wet feet! Soggy soil invites disease.

Mulch: Mulch can help with water retention—but be vigilant and check for insect or fungal activity.

Other best practices include:

  • Buy healthy, disease-free plants from reputable sources
  • Plant your plant in full sun
  • Plant in sites with good drainage; if planting in open ground, choose a higher spot for better drainage
  • Harvest frequently and remove infected leaves

Common Chive diseases

Here are some of the usual culprits that might infest your chive plants. Remember, it’s important to remove flowers and leaves to prevent the spread of disease once it’s found its way onto your plant.

Damping-off

Cause: Fungi
Symptoms:

  • water-soaked, decomposing seeds
  • infected roots are gray and water-soaked
  • seedlings that grow but then collapse and die
  • older plants that get infected are severely stunted

How it Spreads:

  • spores thrive in moist soil and cool temperatures

Treatment:

  • liquid copper fungicide, if infection is severe
  • remove and discard infected parts

Prevention:

  • minimize soil moisture
  • break up compacted soil
  • plant in well-draining areas
  • treat seeds with fungicides before planting

Downy Mildew

Cause: Fungi
Symptoms:

  • pale spots or long pale patches on leaves
  • gray-purple fuzzy growth on leaf surface
  • leaves turn pale, then yellow
  • leaf tips collapse

How it Spreads:

  • splashing water (rain, irrigation) disturbs spores
  • cool temperatures favor growth

Treatment:

  • destroy infected plants
  • apply foliar fungicides

Prevention:

  • purchase disease-free plants
  • rotate crops with non-allium species for three to four years
  • plant in well-draining areas
  • homemade fungicides
  • choose planting sites with good air movement and no shade

Pink Root

Cause: Fungi
Symptoms:

  • roots appear pink, then darken to purple
  • roots become transparent and water-soaked
  • stunted plants with shriveled bulbs
  • dying seedlings

How it Spreads:

  • fungus colonizes in root tips
  • fungus can survive in soil to a depth of almost 18 inches

Treatment:

  • remove and destroy all infected plant parts
  • solarize/fumigate soil to reduce the presence of fungus

Prevention:

  • plant disease-resistant varieties
  • do not plant in areas where onions have recently grown
  • provide proper water and fertilizer

Which diseases have you had to treat on your chives? Please tell us how you prevent and handle diseases. If you spot other symptoms on your chives that are not mentioned here, contact your local extension center or garden center for a consult—and please let us know what you discover.

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Tags

chives, fertilizer, onions

Comments
  • Kelley A. December 5, 2022

    Is there an article detailing how to grow chives indoors for the winter?

    Reply

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TABLE OF CONTENTS

  • Curator’s Corner
  • Introduction
  • Feature Articles

  • Types of Chives
  • Growing Chives from Seeds or Starts
  • Where to Grow Chives
  • Planting Chives in the Ground
  • Growing Chives in Containers
  • Nurturing your Chive Plants
  • Harvesting your Chives
  • Preserving Your Chives
  • Dealing with Chives Diseases
  • Dealing with Chives Pests
  • Essential Tools and Equipment for Growing and Enjoying Chives
  • Plant Profiles

  • Nira Chives (Allium tuberosum)
  • Garlic Chives (Allium tuberosum)
  • Staro Chives (Allium schoenoprasum)
  • Snowcap Chives (Allium schoenoprasum)
  • Forescate Chives (Allium schoenoprasum)
  • Garlic Geisha Chives (Allium tuberosum)
  • Recipes

  • Mashed Potatoes with Sour Cream and Chives
  • Fresh Chive Pesto
  • Chive Butter
  • Parmesan Chive Drop Biscuits
  • Cheese & Chive Frittata
  • Additional Articles

  • Nutrition Facts about Chives
  • Health Benefits and Home Remedies of Chives
  • Resources about Chives
  • Chives Glossary
  • Related Articles

  • 10 Tips for Growing Chives (and 5 Reasons You Want To)

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