Delphinium 'Centurion Gentian Blue' F1
delphinium
- Position: full sun
- Soil: fertile, well-drained soil
- Rate of growth: average
- Flowering period: June and July
- Flower colour: blue
- Other features: all parts of the plant may cause severe discomfort if ingested; contact with the sap may cause skin irritation
- Hardiness: fully hardy
Impressive spires of azure blue, semi-double flowers rise majestically above the deeply lobed, mid-green leaves from early summer. Best planted in clumps towards the back of the border, their striking silhouette will add structural form to the planting scheme. They also make excellent cut flowers. - Garden care: Stake with bamboo canes in mid-spring. During the growing season apply a balanced liquid fertiliser every 2-3 weeks and wearing gloves cut back the faded flower-stems to a flowering side-shoot. At the end of autumn cut back and compost the faded flower stems
- Sow: October or January-February
- Flowering: June-July
- Approximate quantity: 10 seeds
- Harmful if eaten
Iris sibirica 'Valda'
siberian iris
Luscious red-purple flowers
Artemisia absinthium 'Lambrook Silver'
Wormwood
Striking silvery foliage
Iris chrysographes black-flowered
Siberian iris
Stunning, almost black flowers. For a damp spot
Verbena bonariensis
purple top
Great for adding height
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