Delphiniums (Various Colours) – Perennials
Starting at $16.99 (available in store only)
These produce tall, stately spires on bushy and vigorous plants in a wide range of pastel to deep purple and blue shades. The deeply-cut leaves form a medium-sized mound. Stems may require staking in windy areas, best done before they reach 3 feet or so in height. Removing spent spikes right after flowering will encourage repeat blooming in fall. Foliage may become infected with powdery mildew in mid summer; simply cut back hard to encourage fresh leaves or use a preventative fungicide beginning in mid spring. For best flowering use a high phosphorous fertilizer each year, in early spring.
Exposure: Full Sun
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