Oenothera acaulis v. aurea - This unusual evening primrose quickly opens its yellow, funnel-shaped blooms in late afternoon. They have faded by the next morning. Seed pods are formed at the base of the plant. We have found it hardy in our nursery, contrary to the literature. Needs very well drained soil in full sun. (10"h x 10"w) RG, 3.5" - $5.00               Quantity:  @ $5.00/each

Oenothera sp. - A miniature evening primrose, this one is covered with small yellow flowers over a long period in summer. Any good, well drained garden soil in full sun. (6"h x 8"w) 3.5"- $5.00               Quantity:  @ $5.00/each

Onosma nanum - 2.5"-$5.00               Quantity:  @ $5.00/each

Onosma polyphyllum - 2.5"-$5.00               Quantity:  @ $5.00/each

Onosma stellulata - A shrublet with gray leaves and interesting yellow bell-shaped flowers. Easier to grow than O. alboroseum. Requires a warm, very well drained soil in full sun with some protection from winter wet best. (9"h x 12"w) RG, 3.5"-$5.00               Quantity:  @ $5.00/each

Origanum laevigatum ‘Herrenhauser’ - This easy, beautiful plant is a bit large for most rock gardens but perfect for transition areas or in the border. Large panicles of pink-purple flowers are produced on 20” stems in mid to late summer. Long bloom period and modest spreader. (20”h x 12”w) 3.5” - $5.00              Out of Stock

Oxytropis campestris - A tufted legume with grayish leaves and 6" scapes of white, yellow, or violet pea flowers in dense spikes. Very well drained soil in full sun. (6"h x 10"w) RG, 3.5"-$5.00              Out of Stock

Oxytropis lapponica - As with other Oxytropis, this one produces a taproot in sufficiently deep soil. Pea flowers in shades of violet-purple are produced on 4" stems. Attractive foliage is a bonus. Give it scree conditions in full sun. (4"h x 6"w) RG, T, 3.5" - $5.00              Out of Stock

Oxytropis megalantha - Tufted, robust plants with whitish, hairy leaves produce bluish pea flowers on 10” stems. Very well drained soil in full sun. (10” x 8”w) RG, 3.5” - $5.50               Quantity:  @ $5.50/each

Oxytropis orehile – - This small cushion plant has silky-gray leaves with purple to red-violet flowers. Will need scree conditions or a trough in a warm, sunny spot. (2”h x 4”w) T, RG, 2.5” - $5.50              Out of Stock

Oxytropis purpurea - This small member of the pea family produces pale purple pea flowers on short stems. Very well drained soil in full sun. (6"h x 10"w) RG, 2.5"-$5.00              Out of Stock