Gladiolus

Lemon Ice Gladiolus August 10, 2017

Lemon Ice Gladiolus August 10, 2017

Gladioli are tall, stately, large blossomed flowers that come in a wide variety of striking colours. In my garden I have only a limited number of annuals but I do buy gladioli every year. Their corms can be dug up before the frost and stored in a cool dry place. I choose plants that bloom later in the season. I like to combine them with snapdragons that are still in bloom later in the gardening season.

Ideally I buy my gladioli as corms from Veseys Seeds. They provide the following information on how to take care of them. Although Vesey’s recommend that the bulbs be planted in groups of a least 6 or more of a single color, I have purchased the Parrot mix and been delighted by it.

I started with packages of Lemon Ice Gladiolus for a section of the garden where I tried at first to only plant yellow perennials.

Gladiolus Blue Sky

Gladiolus Blue Sky 12 August ’14

I also bought Blue Sky for the same reason in another part of the garden. I later realized it didn’t make sense because of the different blooming times.

Gladioli are in bloom in August along with Liatris (pink), sweet peas (mixed colours), sunflowers (all-sizes, yellow), Shasta daisies, Delphineum, Veronica longifolio ‘Candied Candles’ Speedwell

“Glads do best in full sun in a light, evenly moist soil.” “A light application of a low nitrogen fertilizer can be used at planting time. Glads need plenty of water during growth but they also must have good drainage. Plant the corms 6 inches deep, pointed ends up, and 6 inches apart at 2 week intervals. Start planting after the last spring frost and continue until the end of June for a long season of bloom. Staking is usually necessary after the plants are 12 inches high, or you can try hilling up soil around the stems to a height of 6 inches. Deep planting reduces the need for staking.”

“If you are planting glads in a cutting garden (or stealing a row from your vegetable garden), set the corms at the bottom of a trench 8 inches wide by 8 inches deep, covering them with 2 inches of soil initially, then gradually filling in the trench as the plants grow. When cutting the stems, leave 4 leaves on each stalk. If flowers do not open or are deformed and streaks appear on the leaves, you may have thrips.”

Dig & Store/Overwintering: “After the foliage yellows in early fall, dig the corms, cut off the tops and store them in a dry airy place for 3 weeks. Then separate the largest of the new corms that have formed on top of the old withered ones. Store these in bags made from old nylon stockings (for good air circulation) in a cool dry place over winter.”

References

Rabia Badar and Bisma Batool. 2017. “Ameliorate the pre-flowering growth of Gladiolus
grandiflorus L. Red majesty with composted coconut coir as organic amendment
Journal of Pharmacognosy and Phytochemistry 2017; 6(3): 329-336.

Gladiolus Wikipedia article

Veseys Seeds.Gladio

Purchase at Vesey’s the Parrot Gladiolus Mix, SKU 53542, costs from $14.35 to $17.95 per pkg of 25 depending on how many packages you buy (1 – 4).

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