• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
No-Flowers-on-Gladiolus-THUMB.jpg

No Flowers on Gladiolus

I planted 75 new gladiolus bulbs in spring. There is good leaf growth but no flower spikes on any of the plants.

Corm size, fertilization practices and pest problems can prevent flowering.  Small, undersized glad corms will produce leaves but no flowers.  Save larger corms to use in next year’s garden.  Smaller corms can be saved and grown for two seasons to reach flowering size.  Avoid high nitrogen fertilizer that encourage leaf growth and discourage flowering.  If these aren’t the problem, take a closer look at the plant.  Thrips, virus, and aster yellows can prevent or distort flowers.   Discard diseased infested corms.  You can treat thrip-infested corms with an insecticide labeled for this purpose prior to storage.  For best results discard all infested plants and corms and start with new pest free corms next season.

Related

Upcoming Live Events
& Webinars


Feb. 28, 2024
FREE WEBINAR

Create a Beautiful Landscape Free of Invasive Plants in Wisconsin Gardens
Register now

Feb. 29, 2024
FREE WEBINAR

How to Plan Your Rain Garden
Register now

March 6, 2024
FREE WEBINAR

Growing Summer Bulbs in Containers
Register now

March 13, 2024
FREE WEBINAR

Hydrangea Selection, Pruning & Care
Register now

March 14, 2024
FREE WEBINAR

How to Select Rain Garden Plants
Register now


March 20, 2024
FREE WEBINAR

Maximize the Beauty and Enjoyment
in Any Small Space
Register now

March 23, 2024

REALTORS Home & Garden Show
West Allis, WI

March 27, 2024
FREE WEBINAR

How to Start a Garden for Beginners
Register now

April 10, 2024
FREE WEBINAR

Container Gardening Throughout the Year
Register now

April 11, 2024
FREE WEBINAR

7 Steps to Managing Water Where it Falls in Your Yard
Register now

April 20, 2024
Pasquesi Home & Gardens
The Why and How of Pruning Hydrangeas and Other Shrubs
Lake Bluff, IL

WATCH ON-DEMAND WEBINARS

Learn More

Book an Appearance

Learn More

Enter to win Longfield Gardens bulbs valued at $157.00 !

ENTER NOW