How To Grow Gladiolus – Add Massive Flowering Blooms To Flowerbeds!

Have you ever considered growing gladiolus in your flowerbeds? With their striking tall stems and multiple colorful blooms, gladiolus flowers are a great addition to any landscape – and to flower displays, too!

1. Other Interesting Facts About Gladioli

Gladioli are iris family members that grow from corms, just like crocuses do. Gladioli, on the other hand, are planted in the spring and bloom in the summer.

2. Varieties of Gladioli 

The gladiolus genus comprises more than 250 species. Taller kinds can reach up to five feet in height, while miniature variants only reach about two feet.

3. Soil Requirements for Gladioli

Soils that are rich in organic matter and have good drainage are preferred by gladiolus plants. Consider adding amendments to heavier, more compaction-prone soils, such clay. 

4. Planting Gladiolus

If you would like to lengthen your flowering season, you can sow gladiolus bulbs every few weeks until early summer. 

5. Staking 

You will need to add some kind of support for the tall stems when growing higher types. Insufficient support can cause flowers to bend and become deformed due to strong winds.

6. Watering

You should water your gladioli once a week or so after your initial soak. Water gladiolus corms sparingly because they are susceptible to rot and do not tolerate excessively wet soil well. 

7. Mulch

To prevent weeds and to help the soil retain moisture, add a few inches of natural mulch around the gladiolus plants. Straw, shredded leaves, and grass clipping all make for excellent mulch.    

8. Fertilizing

When the plants are about a foot tall, you can apply an all-natural liquid fertilizer on top of the compost you initially placed to the soil. 

9. Overwintering

Gladiolus corms can be left in the ground over winter in growing zones 7 and above. These corms will come back next year. 


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