Please note in QLD it's an invasive plant. Create organic nutrient rich soil with Yates Dynamic Lifter for better root growth, stronger plants and more flowers and fruit. A complete plant food specially developed for boosting healthy growth of beautiful flowers, roses and other flowering plants, naturally! Seed Finder. Garden eMagazines. Be Water Smart. Garden Calendar. Problem Solver. Yates Shop. Mowing Advice Lawn Repair.
Varieties of Turf Lawn Watering Tips. Shop Online! Need help? Contact Us Ask An Expert. Share Share this article on social media. Mid September to late December for the Adelaide hills areas. We suggest that you employ a granular systemic insecticide at planting time. This method can be used as a precautionary measure to prevent insect infestation. The other approach is to have a regular spraying program during their growing season using reliable insecticides.
The main insect and which attacks gladiolus is Thrips and they will mark the flowers and eventually prevent the flowers on the spike from opening.
For better adhesion of chemicals sprays, the addition of a wetting agent should be used. Plant the gladiolus corms 10 to 12cm 4 - 5 inches deep and in rows spaced apart at 38 to 60 cm 15 to 24inches. Space each corm at least 10cm 4 inches apart. Gladiolus, like every thing, requires ample water and a very heavy soaking each week. This is vital once plants have developed at least 6 leaves and until flowering is finished.
When cutting the flower spikes, leave as much foliage intact as is possible. After flowering, continue to water, but do not flood for at least six weeks. Regardless of what advice given, dig the corms before the foliage dies back, even though the leaves are still green.
This is normally six to eight weeks after flowering. Watch the small leaf on the out side of the plant and when it turns brown, this is a sure indicator when to lift the corms. Break the foliage from the corm rather than cutting and you will notice the foliage breaks away quite easily.
Wash the corms in clean water, dry in shallow trays or mesh bags in a well-ventilated area and definitely not in the sun. Many articles may be used to store the corms, such as ice cream containers or old stockings etc. We suggest that the corms may be cleaned about 2 to 3 weeks after lifting. This process is to remove the old or mother corm from the new cormlets.
You will noticed there are a number of pea shaped cormlets adhering to the roots etc. This is a good way to build up stocks of corms for they may be planted next season and will make good sized corms, therefore it is wise to save the largest for future planting. Incorporate as much vegetable matter and compost as possible.
Aphids and thrips are the main problem. Dust with an insecticide if thrip damage is noticed streaking of leaves, damage of flowers , and if problem persists, make sure new corms are planted in a different part of the garden.
NB: Extreme heat can cause similar symptoms to thrip damage on flowers. With large flower spikes in a huge range of colours gladioli are fantastic bulbs to bring colour to your Summer garden. Public Holidays am — pm Saturday, excluding public holiday weekends Customer Service Available: am — pm Monday to Friday.
What is Gladioli? Benefits of Growing Gladioli Gladioli are an easy to grow and maintain corm. How to Grow Gladioli Gladioli Zorro.
Gladioli Sugar Plum. Gladioli Copper Queen. Gladioli Amsterdam.
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