Tuesday, August 30, 2011

All The Basics About Perennial Plants


LOW-ALLERGEN PERENNIALS

`Duchesse de Nemours'
The large, fragrant, double white flowers of this strong-growing peony have yellow- based inner petals. Flushed green in bud, the blooms open in early summer.

CHECKERBLOOM
During summer, the clumps of erect, leafy stems bear loose racemes of clear rose- pink mallow-flowers. The stem leaves are deeply lobed, the basal ones less so.

HORNED VIOLET
An excellent and reliable small perennial with a low-spreading, slightly bushy habit and lightly scented, lilac-blue to violet flowers in late spring and summer.  
         
ARMENIAN CRANESBILL
Fantastic in flower, this striking cranes bill sends up a mound of dense, leafy stems, which are covered throughout summer with bright magenta, black-eyed blooms.  
       
Andenken an Friedrich Hahn'
Also known as P 'Garnet', this is probably the most reliable perennial penstemon. Its deep red flowers are produced on strong, leafy stems from midsummer onwards. 

PLANTAIN  LILY
One of the most striking hostas, forming clumps of lance-shaped, strongly veined, blue-green leaves. It bears bell-shaped, lavender-blue flowers in summer.

SPIKED SPEEDWELL
The dense spikes of purple-blue flowers, borne throughout summer, are in striking contrast to the densely silver-hairy stems and mat of silvery foliage beneath.  

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