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Guardian Blue

Flower

Delphinium elatum

Overview
Uniform flowering time and plant height allows for efficient harvesting. The Guardian series is bred to perform well under short days for greenhouse production. Guardian also performs well in our field trials, blooming under long days. Vigorous plants with excellent bloom and stem quality for cut flowers. Also suitable for garden beds and landscaping. Bloom color is dark royal blue with a white bee (flower structure at the center of each bloom). Attracts bees and butterflies. This species of delphinium is also known as candle larkspur. Perennial in Zones 3-7.
Planting
Start indoors 6-8 weeks before last frost or direct sow after last frost
Growing
Sun: full. Water: moderate. Soil: Well-drained loam. Space plants 18" apart. Germination: 7-14 days.
Pests & diseases
Common pests: Spider mites, powdery mildew moths, slugs. Common diseases: Powdery mildew, crown rot, leaf spot.