Ranunculus ficaria ‘Brambling’ Zn5a (-20º to -15ºF) Ranunculaceae
Arrow shaped leaves handsomely marked with black arrive in cool weather. By February bright yellow buttercups appear for two to three months. Part shade in clay soil- dormant in summer and tolerant of summer dry conditions. Spreads to form colonies. Excellent companion with violets, cyclamen and crocus. Easy to grow. Very good in rough conditions. Not a shy plant.
Ranunculus ficaria ‘Brazen Hussy’ Zn5a (-20º to -15ºF) Ranunculaceae
An outstanding winter flowering perennial with deep dark, nearly shiny leaves and bold yellow buttercup flowers from late December until Spring. It goes dormant for the summer and disappears entirely until fall. Excellent among shrubsor lining paths. Full sun to shade. Gets all the water it needs during winter- but tolerates summer water. Spreads to form colonies, not a shy plant. Again, summer dormant.
Ranunculus ficaria ‘Citrina’ Zn5a (-20º to -15ºF) Ranunculaceae
A shiny, cheerful winter buttercup with creamy yellow flowers that reach for the sun. Extremely tough perennial that forms unbashful colonies and combines especially well with violets under deciduous shrubs. Summer dormant leaves each with a central black blotch emerge in November and stay to May. Full sun to dappled shade. Completely tolerant of drought. Blooms February though April. Clay soil. Yes, Clay!
Ranunculus ficaria ‘Double Mudd’ Zn5a (-20º to -15ºF) Ranunculaceae
A more restrained growing winter buttercup with arrow shaped leaves marked with white that appear in early winter. In late winter through spring creamy yellow double petalled flowers, each petal backed with gray. Part shade to high overhead shade. Clay soil- this double form does not set seed. Summer dormant. Beautiful with Viola odorata and early cream flowered Crocus thomasinianus.
Rabdosia longituba Zn6a (-10º to -5ºF) Lamiaceae
Unusual and beautiful perennial from the forests of Hokkaido in N.Japan. From 1' wide clump of rather ordinary leaves in late August-October it is topped with clouds of guppy-shaped sky blue flowers from very thin stems. Excellent in combination with Kirengeshoma palmata. Rich soil in dappled light, morning sun, afternoon shade in rich soil with regular water- appreciates summer heat. To 3' tall Winter deciduous. Easy.
Rhodea japonica Zn6b (-5º to 0ºF) Lilaceae
At first glace you may not think this is the most exciting plant, only when you find out that it is EXTREMELY tolerant of dry shade, evergreen and hardy to cold that you realize this plant ROCKS! Slow growing, evergreen, lily relative from Japan. Good looking year round. Water to establish and then only occasionally. Humus enriched soil, good drainage. Requires shade. To 14" tall and slowly to 2' wide. Red berries follow tiny green flowers.
Rosmarinus o. ‘Golden Rain’ Zn7b (5º to 10ºF) Lamiaceae
An excellent Rosemary for those who pay special attention to detail. Golden leaves each with a central stripe of dark green-very nice with the sky blue flowers which appear in late winter to early spring. To 2' tall and as wide, upright and requires full sun and well drained soil. Beautiful as a garnish or in an herb wreath. Drought tolerant. Good cold hardiness- has lived a very long time in W.OR gardens.
Rosmarinus o. ‘Gorizia’ Zn7b (5º to 10ºF) Lamiaceae
'Gorizia' was selected for its wider leaves and large medium blue flowers which appear from late winter to early spring. Excellent for culinary use and/or a nice hedge. Evergreen, to 3' tall with a very upright habit and 2' wide. Full sun and well drained soil. Shear in late spring to maintain a compact full habit if desired. Drought tolerant, little or no summer water.
Rosmarinus o. ‘Ken Taylor’ Zn8a (10º to 15ºF) Lamiaceae
Good, deep blue showy flowers make this one of the most ornamental Rosemary for gardens. Semi-decumbent (spreading) habit to 14" tall and 30" wide. Blooms, late February though May. Shear after bloom to encourage density. Excellent for culinary use. Well drained soil that is somewhat dry in summer. Full sun. Very pretty with the orange flowers of Helianthemum 'Henfield Brilliant' and golden leaved Heathers.
Rosmarinus o. ‘Majorca Pink’ Zn8a (10º to 15ºF) Lamiaceae
A very upright form of Rosemary that has attractive lavender/pink flowers in late winter and early spring. To about 3' tall and only 18" wide it is wonderufl as a hedge, and at its best mixed with blue flowered selections for contrast. Tip prune in early spring to promote fullness. Full sun, well drained soil, very drought tolerant. Great for culinary use or just to add a spicy scent to the garden.
Rosmarinus o. ‘Shimmering Stars’ Zn7b (5º to 10ºF) Lamiaceae
A beautiful and very floriferous rosemary that covers itself in blue flowers that open from pink buds from early spring until early summer. The effect is more pronounced when plants are in the ground. To 3' tall with somewhat winding upright stems and mounding habit. Great evergreen hedge for a hot position in full sun. Good for culinary use. Drought tolerant when established. Good cold hardiness.
Rubus calcynoides ‘Golden Quilt’ PP13436 Zn7a (0º to 5ºF) Lamiaceae
Brand new golden form of a tough and durable plant with excellent quilted, ruffled leaves. New foliage emerges chrartreuse/green and keeps that color until autumn when cooler weather brings tints of red. To only 4" tall but spreading to form a 2' wide plant in full sun to light shade. Avoid reflected heat. Well drained soil with occasional water in summer. Small white (blackberry) flowers followed by occasional red berries. Not invasive.
Ranunculus ficaria ‘Double Mudd’
Perennials return year after year and are the organic heart of the garden. They represent the most intelligent type of landscaping. So many are available today that we focus on the best and most unusual.
Perennials
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