Delphinium grandiflorum ‘Summer Nights’
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Deep blue flowers on short stems.
This short variety of deep blue flowers is a great attraction for containers and borders. short lived as a perennial but self seeds readily in gritty soil. These can be planted in the Border for lovely shades of blue although to prolong for more than two years you are best to plant in gritty loose soil. This way they will self seed readily in the substrate and forever be in your garden. Best for the Alpine garden or containers.
Hardiness: Hardy -7c
Leave seed heads on in autumn to allow self seeding. Clear away all the debris in the new year.
Common Name: Bouquet Larkspur / Large-Flowered Larkspur / Siberian Larkspur
Life Cycle: perennial
Basic Colour: ( blue )
Flower Colour: blue
Natural Flowering: May – July
Winter Hardiness: Hardy -7c
Height with Flowers: 20-40cm
Soil Requirements: average / moist / well-drained
Soil ph: acidic / alkaline / neutral
Location: container / cottage garden / border
Usage: ornamental / bee food plant / attracts butterflies
Pruning: cut back to ground in Autumn
Tolerates: drought tolerant
Origin: East / North Asia
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