The Firmament ornamental onion is a stunning hybrid of Allium atropurpureum and Allium cristophii. Its dark purple flower balls that delight with a metallic glow and reach a diameter of up to 12 centimetres. Those magnificent semispherical inflorescences that consist of hundreds of star-shaped flowers with silvery anthers are one of the main reasons why this species is so commonly grown in gardens and for cut flower. The easy to grow and sturdy ornamental onion looks great at borders, flower beds, and in rock gardens. Its flowering period, that spans from May to June, fills the gap between the spring and summer flowers. In addition to its decorative features, ornamental onion repels pests from the garden. The Firmament ornamental onion proves to be an attractive, undemanding plant that you can grow at the site of your choice.

Autumn is the planting time of ornamental onion. Put them into permeable, fertile, sandy-loam soil from September to October. The site should also be sunny, dry, and well cultivated. Presented species does not have any special requirements and thrives in most types of garden soil. It needs fertilizing two to three times in a season and watering during drought periods. Dig out and divide bulbils from the main bulbs every two to three years.

Quoted price is valid for one bulb of the Firmament ornamental onion, sized 12+ centimetres in circumference.

• Variety: Firmament
• Use: ornamental - garden, cut flower (fresh and dried)
• Growth form: erect
• Flower colour: purple
• Vegetation form: perennial
• Flower type: star-shaped, gathered in spherical inflorescences
• Site: sunny; permeable, sandy-loam soil
• Bulb size (circumference):: 12+ cm
• Bulbs: 1
• Flowering period: May - June
• Planting period: September - October
• Wintering in the ground: yes