The magnificently growing ornamental onion “Allium Gladiator” decorates perennial beds and front gardens with its large, purple flower balls, which consist of many small individual flowers. Read the following sections about what you should pay attention to when planting large-flowered ornamental onions.
How to plant Allium Gladiator correctly?
To plant Allium Gladiator properly, plant a bulb 10 cm deep in well-drained, sandy soil in autumn in a sunny location. Maintain a planting distance of 25 cm and add fresh potting soil. Water regularly without causing waterlogging.
When to plant Allium Gladiator?
The ideal planting time for ornamental onions is inAutumn. You should plant the Allium Gladiator in the ground from September to December at the latest so that you can expect the spherical flowers from May the following summer.
What site conditions does the Allium Gladiator need?
The ornamental onion prefers asunny location, but can also cope with partial shade. The soil should be permeable and slightly sandy. If you notice when digging the planting hole that the soil is heavy and very clayey, you should mix in some coarse sand or gravel. Waterlogging must be avoided at all costs. To ensure that the plant has sufficient nutrients available, some fresh potting soil (€10.00 at Amazon) should always be added to the substrate when planting. Allium Gladiator is hardy and does not require protection from the cold.
How deep should you plant Allium Gladiator?
Allium Gladiator should be plantedten centimeters deep with a planting distance of approximately 25 centimeters. The planting hole should be approximately three times as deep as the bulb is high. This way you can ensure that the flower stalks, which are up to 120 centimeters long, have enough support. If you cover the bottom of the excavated planting hole with some gravel, this guarantees good drainage and prevents waterlogging. After burying the bulb, you should mark the spot with a small stick. After planting, the Allium Gladiator needs regular water. If you water infrequently and more heavily, the plant will develop deeper roots that will help it survive dry periods.
Tip
Plant Allium Gladiator in pots on the balcony
The Allium Gladiator also thrives in a pot or bucket on the terrace or balcony. Since the Allium Gladiator is winter hardy, it does not need additional protection in the cold season. It tolerates temperatures down to -20 degrees Celsius well.
