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zakruti.com » Do it Yourself - Handmade » Northlawn Flower Farm
Gladiolus How to Plant, Grow, Harvest, and Store Gladiolus Corms

Gladiolus How to Plant, Grow, Harvest, and Store Gladiolus Corms

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Rating: 4.5; Vote: 2
Gladiolus are grown from corms, and the corm contains all the necessary food and energy to produce a glorious flower spike with up to 20 florets on each bloom. Start by selecting a planting site that receives full sun and has fertile, well draining soil. You can either choose to dig individual holes for your gladiolus corms, or you can dig a large planting area and place multiple corms in that hole. Either way, plant the corms 4-5 inches deep and leave 3 inches of space between each corm. For a truly spectacular display in the garden, I like to plant mine in groups of 7 or more. I think planting gladiolas in masse gives the look of a beautiful living bouquet in the garden. Once your hole is dug, place the corms pointy side up, flat root side down in the hole and then cover them back up with soil. Once all your corms are planted be sure to water them in well. In a few short weeks the strong and spiky foliage will emerge from the ground and at that time it's a good idea to give them a light layer of mulch to help suppress weeds and maintain even moisture levels during the growing season. Gladiolus appreciate consistent water. During dry weather, water the plants deeply to supply the equivalent of 1 inch of rainfall per week. If you notice that the blooms are becoming heavy and starting to lean give them a little support by placing a slender bamboo cane next to the stem and use twine to secure the bloom stock to the cane. If you need to support a large section of gladiolas you can corral them with multiple canes and twine encircling the entire planting area. I personally love to use my gladiolus as cut flowers, and when you use them for cutting you normally avoid the leaning altogether since you pick them before they become top heavy. Gladiolas bloom from the bottom to the top, and for the longest vase life we want to harvest them when the bottom two florets on a stem are open. You should also remove the tip of the flower to encourage all the other flowers on the stem to open in the vase. As lower flowers fade, simply pull them off, and enjoy the new ones that will continue to open. I also find that it's a nice idea to succession plant gladiolus throughout the growing season so that you can enjoy a steady supply of blooms. So start planting in spring after all danger of frost has past, and then continue to plant a wave every week or two for continuous blooms. Since they take approximately 90 days to mature, count back about 3 months from your first expected frost date and have that day be your last planting of gladiolus corms. Now let's talk about what to do with gladiolus after they're done blooming. Since gladiolus corms are hardy in zones 7-10, growers in those areas can leave the corms in ground to perennialize. Simply let the plant die back naturally in the fall and then cut it down to ground level once it has browned. It will come back again for you next year with no additional work on your part. However, growers in zones 3-6 should either treat gladiolus as annuals and plant new corms each year, or they can be dug up in fall and stored until planting next spring. In this case, after the first frost, dig up the corms and allow them to dry (cure) in a warm, dry, well ventilated area for 2-3 weeks. When thoroughly dry, remove and discard the old dried up mother corm located at the base of the new corms. You can either remove the tiny cormlets found around the base of the new corms, or use them for prorogation purposes. Once cured, place the corms in mesh bags or old nylon stockings and hang in a cool, dark, well-ventilated location with an ideal storage temperatures of 35 to 45 degrees Fahrenheit. Next spring, simply remove them from storage and replant them
Date: 2022-08-07

Comments and reviews: 19


I planted the corms and I haven-t seen anything pop up. I am wondering if I did something wrong -
I-m in zone 7. I bought the forms on sale after planting season was over at lowes. Maybe they were too old? I stored them in my shed in a dark cabinet and pulled them out this year. Any tips for better success?
I still have about 40 corms left in an extra bag
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Thank you for this video! My daughter and I plant gladiolus every year. We moved to a zone 7 area in fall of 2019. I had no idea to glads we planted last year would come back again. But they did survive the winter, and began to emerge just as we planted new ones this season. We have so many now, since I-m used to treating them as an annual -
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Hi Danielle, I thought you might be interested in a study published last year about thrips resistance in gladiolus. Result: of 14 varieties tested, the best were 130x more resistant to thrips than the most vulnerable. Best varieties: alba, robinetta, live oak, and green star. Most attacked: Charming and Charming Beauty.
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Thank You, Thank You
is not enough for your video. I really appreciate your time; you provided more information than I thought I needed. Example: I'm in Ohio (near Cleveland) which my zone is 5or6. Regardless, I know I'm in an area that I would need the information you provided on how to dry them. So again Thank You!
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What are the purple flowers you had on the beginning mixed with the glass? The hummingbird was in one? It looks like what I say is almost a Dr Seuss flower lol I have some and don't know their name! I absolutely love them! And they're so important in my garden!
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Perfect timing! After three years of glads not being the colors I ordered, I finally found a source for corms that are true-to-advertised colors, and I was wondering if they could be re-planted instead of being treated as an annual.
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Question about planting near a rock water drain area, sometimes it floods and possibly freeze over winter, full sun. Im Going to try planting there, but wonder if CT, zone 7 I think should I dig them up before frost?
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Thanks for sharing I have loads of leaves but no flower stocks on my Glads and they have been planted under cover in March. We-ve had dry weather lately could it be because of this or maybe just too early still?
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Thanks for the video. Quick question: should I continue to water them after the flowers have been cut? Do I cut the stems right after the bloom or leave them until they turn brown? Thanks
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Good informative video. Mam, can you give me your location so that I could know your climatic conditions, and your experience so as how to grow them in a warm and humid country India.
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Thank you for this! I was thinking I would not bother with these next year as mine are not that great! You helped me to realize what I need change next year to grow even more now!
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Not flower related, but I was wondering what microphone you use to shoot your video? I-ve been asked to film a garden tour and I need one and I have no idea where to start.
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Thank you! I planted gladiolus for the first time this year as a cut flower using your previous video as guide -. Thank you for the updated info. Now I know how to store them.
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I love em, I got cancer and started planting flowers for some beauty. Gladios' was my fav, they were awesome but they didn't last long enough after blooming.
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You're such a great person! I just love your great and easy personality! Thank you so much for such easy to follow instructions and interesting tips!
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I-ve tried growing gladiolus for the last 60 years mine have never been as beautiful as yours. I hope you have listed your sources beautiful arrangement.
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What is that beautiful push you were standing in front of at the beginning of the video? It looks like what my grandmother used to call a Scottish Rose.
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I was just wondering today if it's possible to dig them up - I just planted some but want to move them to a different location next year - THANKS!
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Thank you for sharing your gladiolus success story. Would you mind telling us what is the name of the tall purple flower you planted next to?
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