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Professional Grower | Home Gardener

  

Professional Grower Gladiolus

Gladiolus is easy to grow and fun to have in your garden. One season of growing will let you understand why they are a favorite with so many people. If you are someone who enjoys entertaining, they will give you many opportunities for showing off brilliant displays of colorful flowers, from gorgeous formal arrangements to simple bouquets. They will also add dramatic spikes of color to the garden. Gladiolus requires the same growing condition as most vegetables and garden flowers. It does well in almost any part of the United States. Enjoy it in your landscape this year!

An old-time favorite, gladiolus is commonly grown for elegant flower arrangements, lasting a week or more in the vase. Perhaps the most beautiful of all cut flowers, gladiolus makes an exceptionally colorful display at roadside stands and is a cut flower staple at farmers’ markets. You can also sell these beauties to your local florists. They come in a rainbow of colors, and their long stems mean you can grow armloads in a small space. Their sword-like foliage and tall, impressive flower spikes make striking accents in the mixed flower border. For best garden effect, plant in groups of six or more of a single color, or grow dozens of them in a bed reserved for cutting. Imagine the luxury of having gladiolus to display around the house!

Plant them in the spring, after the ground warms to about 50° F. Dig a hole 4-6”, place the corm in the hole, pointed side up, cover with soil and water thoroughly. Gladiolus will grow in any good garden soil but do need full sun and good drainage. They will require staking for best appearance and straightest stems. Space your planting times at two week intervals from early spring to late June to ensure a continuation of mid- late summer blooms. Increase water and fertilizer when flowers begin to develop. Gladiolus will winter over in zones 8-11; elsewhere dig them up in the fall and store indoors.

We offer only top grade corms. Supplied as Jumbo corm: 2+”diameter; #1 corm: 12/14 cm circumference, 1½ – 2” diameter; and #2 corm: 10/12 cm circumference, 1¼ – 1½” diameter)

Gladiolus FAQ
Gladiolus Culture

SHIPPING INFO: The products listed in this section start shipping either February or March depending on the item and/or your location. Please see individual product pages for more information.

ORDER MINIMUM: A $225.00 minimum order on items supplied by De Groot is required.

Get Started with Glads Collection
Get Started with Glads Collection

Photo of  Alaska #1 Grade Gladiolus, Gladiolus
Gladiolus Alaska #1 Grade

Photo of Alaska #2 Grade Gladiolus, Gladiolus
Gladiolus Alaska #2 Grade

Gladiolus American Dream #1 Grade
Gladiolus American Dream #1 Grade

Gladiolus American Dream #2 Grade
Gladiolus American Dream #2 Grade

Gladiolus Bananarama #1 Grade
Gladiolus Bananarama #1 Grade

Gladiolus Bananarama #2 Grade
Gladiolus Bananarama #2 Grade

Photo of Gladiolus Border Mix #1 Grade, Gladiolus
Gladiolus Border Mix #1 Grade

Gladiolus Chit Chat #1 Grade
Gladiolus Chit Chat #1 Grade

Gladiolus Chit Chat #2 Grade
Gladiolus Chit Chat #2 Grade

Photo of Gladiolus Commercial Grower Mix #1 Grade, Gladiolus
Gladiolus Commercial Grower Mix #1 Grade

Photo of Gladiolus Commercial Grower Mix #2 Grade, Gladiolus
Gladiolus Commercial Grower Mix #2 Grade

Gladiolus Dark Pink
Gladiolus Dark Pink

Gladiolus Dark Red
Gladiolus Dark Red

Gladiolus Fiesta #1 Grade
Gladiolus Fiesta #1 Grade

Gladiolus Fiesta #2 Grade
Gladiolus Fiesta #2 Grade

Photo of Gladiolus Good News #1 Grade, Gladiolus
Gladiolus Good News #1 Grade

Photo of Gladiolus Good News #2 Grade, Gladiolus
Gladiolus Good News #2 Grade

Photo of Gladiolus Kings Gold #1 Grade, Gladiolus
Gladiolus Kings Gold #1 Grade

Photo of Gladiolus Kings Gold #2 Grade, Gladiolus
Gladiolus Kings Gold #2 Grade

Gladiolus Lavender
Gladiolus Lavender

Gladiolus Orange
Gladiolus Orange

Gladiolus Pastel Mix #1 Grade
Gladiolus Pastel Mix #1 Grade

Gladiolus Pastel Mix #2 Grade
Gladiolus Pastel Mix #2 Grade

Gladiolus Pink
Gladiolus Pink

Gladiolus Priscilla #1 Grade
Gladiolus Priscilla #1 Grade

Gladiolus Priscilla #2 Grade
Gladiolus Priscilla #2 Grade

Gladiolus Purple
Gladiolus Purple

Gladiolus Purple + White
Gladiolus Purple + White

Gladiolus Purple Flora #1 Grade
Gladiolus Purple Flora #1 Grade

Gladiolus Purple Flora #2 Grade
Gladiolus Purple Flora #2 Grade

Gladiolus Red
Gladiolus Red

Photo of  Red Flora #1 Grade Gladiolus, Gladiolus
Gladiolus Red Flora #1 Grade

Photo of Red Flora #2 Grade Gladiolus, Gladiolus
Gladiolus Red Flora #2 Grade

Photo of Rhapsody in Blue #1 Grade Gladiolus, Glads
Gladiolus Rhapsody in Blue #1 Grade

Photo of Rhapsody in Blue #2 Grade Gladiolus, Glads
Gladiolus Rhapsody in Blue #2 Grade

Gladiolus Salmon
Gladiolus Salmon

Gladiolus San Remo #1 Grade
Gladiolus San Remo #1 Grade

Gladiolus San Remo #2 Grade
Gladiolus San Remo #2 Grade

Photo of Sugar Plum #1 Grade Gladiolus, Glads
Gladiolus Sugar Plum #1 Grade

Photo of Sugar Plum #2 Grade Gladiolus, Glads
Gladiolus Sugar Plum #2 Grade

Gladiolus Sun Kissed Grade #1
Gladiolus Sun Kissed Grade #1

Gladiolus Sun Kissed Grade #2
Gladiolus Sun Kissed Grade #2

Photo of Gladiolus Vista #1 Grade, Gladiolus
Gladiolus Vista #1 Grade

Photo of Gladiolus Vista #2 Grade, Gladiolus
Gladiolus Vista #2 Grade

Gladiolus White
Gladiolus White

Gladiolus Yellow
Gladiolus Yellow

Gladiolus Yellow + Red
Gladiolus Yellow + Red


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The Harris Seeds company began catalog operation in 1879. It evolved from the efforts of Joseph Harris who was extremely successful in the selection of superior strains of vegetables and grains. The company became wildly popular because of his basic business philosophy - "Offer my customers a quality product at a fair price and they will return."


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