By Megan Slack
Glorious gladiolus may have blessed your garden throughout the summer season, but what should you do with the bulbs after they finish blooming? While this topic remains an annual debate amongst gardening enthusiasts (some choose to leave the bulb, while others dig) – we have sought the help of Monty Don, who has the answer.
Here is what to do with gladioli after flowering, according to Monty Don – for new flowers that will bloom throughout the year ahead.
What to do with gladioli after flowering, according to Monty Don
While you may have already enjoyed gladioli's decadent tones over recent months, Monty's tips will ensure you can make the most of the species long into the future. However, to ensure they see new life, it is important to act after blooming.
Monty suggests digging up the corms after flowering before storing them in a dark, dry, and cool environment. 'Corms should be dug up after flowering, dried, and stored in a cool, dark, dry place,' he begins.
The exception is if your gladioli has suffered from bacterial blight – often a result of being grown on wet soils – in which case dig it up and discard the corm.
You may choose to rethink your greenhouse ideas, as this climate is ideal for storing corms over winter; when kept in a dark area. A cellar or conservatory is another suitable alternative, or you can store them in layers of newspaper.
'They can be propagated from cormels – baby corms that grow off the parent and which come true to its variety. Let the corm and cormels dry out, and, the following February, they can be teased off the corm,' he instructs.
Monty then suggests planting the cormels 'an inch deep and an inch apart in a seed tray.' They may take a few years to flower, but when they do, you can treat them like other corms.
Plus, you don't need to store these corms for long; as Monty explains, gladioli planting season begins as early as March.
'Gladioli don't flower for long, so start planting corms at the end of March and do repeat plantings every fortnight till the end of May,' he says. When it comes to replanting, Monty recommends placing them 4-6 inches deep. Then, enjoy the vibrancy of your gladiolus once more.
Megan is a News Writer across Future Plc's Homes titles. She has a background in national newspapers in the UK and has experience in fashion and travel journalism, which she previously practised whilst living in Paris and New York City. Her adoration for these fashion capitals means she particularly enjoys writing about upcoming styles and trends for Homes & Gardens. Megan also loves discovering vintage pieces in her spare time, meaning her decor is largely influenced by the beauty of the jazz age.
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