|Friday Five: Wildflowers for Rocky Gardens|
|Written by Heleigh Bostwick Friday, 29 June 2012|
1. Harebell (Campanula rotundifolia)
Growing 6 to 18 inches tall, the 3/4 inch blue bell-shaped flowers bloom from June to September. Listed as threatened in Ohio and exploitably vulnerable in New York. Hardy to zone 3.
2. Wild Red Columbine (Aquilegia canadensis )
Hardy to zone 3, this 12 to 24 inch tall member of the Ranunculaceae or Buttercup family has 1 to 2 inch long red and yellow flowers that bloom from April to July. Listed as endangered in Florida.
3. Parry's Primrose ( Primula parryi )
Growing to a height of 24 inches, this alpine flower is often found growing near streams and in rocky crevices. The magenta flowers bloom in summer and the leaves when touched give off a powerful scent. Hardy to zone 4, growing from Montana to New Mexico, west to Nevada and Idaho.
4. Wild Blue Phlox (Phlox divaricata )
The pale blue to purple flowers of the wild blue phlox, approximately one inch in diameter, bloom from April to June. Growing to a height of 10 to 12 inches, they prefer full to partial shade. Hardy to zone 3.
5. Early Saxifrage (Saxifraga virginiensis )
Flowering from March to May, the small white flowers bloom in loose clusters on 4 to 10 inch stems from a basal rosette of leaves. Listed as endangered in Illinois and rare in Indiana. Hardy to zone 3.