Sunday, September 18, 2011

Perennial Blue Flowers

So many people come in asking for flowers that are true blue. Here are some photos of perennial blue flowers, some border on being close to purple/lavender. Common names are in parentheses: Aconitum napellus (Monkshood) zones 3-7, Delphinium Pacific Giants 'Summer Skies' and 'Blue Bird' (Larkspur) zones 3-8, Penstemon heterophyllus 'Electric Blue' (Beardtongue) zones 6-9, Scabiosa causcasica 'Fama' (Pincushion flower) zones 4-10, Tradescantia anersoniana 'Sweet Kate' (Spiderwort) zones 4-9, Agapanthus africanus 'Blue' (Lily of the Nile) zones 7-9, Meconopsis betonicifolia (Himalayan Blue Poppy) zones 7-9, Salvia guaranitica 'Black and Blue' zones 8-9, Lobelia siphillitica zones 5-9, Brunnera macrophylla 'Jack Frost' zones 3-8, Ecinops ritro (Blue Globe Thistle) zones 3-9, Geranium 'Johnson's Blue' zones 4-9.  Others not pictured are Centaurea montana (perennial bachelor buttons or cornflower) zones 3-9, Linum perenne (Blue Flax) zones 4-8, Lupinus Russell Hybrids Blue (Blue Lupines) zones 4-9. So far this is quite a list for perennials, I'm working on a list of blue flowered ground covers, annuals, and shrubs too and will post soon.  Think I'll do a list of white flowers eventually because so many people like to have white gardens too.

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