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Seeds for Rock Garden Plants
TRM487 Palmers Penstemon ( Penstemon palmeri )
One of the few scented penstemons, this is a great rock garden plant as it thrives in almost any soil and dry condition. Spectacular 3 to 5 foot tall spikes bear huge,
tubular, light pink, fragrant flowers from March through September.
It has proven to be a valuable re-vegetative species on burned sites. It is drought tolerant. It is a short-lived (4-5 years), evergreen, native, perennial herb.
Palmer's penstemon is found in the western United States from Wyoming south to New Mexico and westward to California. Although Palmer's penstemon is short-lived, once established, it is self-perpetuating because of its abundant seed production and seed dormancy which allows it to establish readily when conditions are favorable for germination and survival. Hardy to zone 4.
3497 Purple Robe ( Saxifraga Arendsii )
An excellent groundcover that is compact, free-flowering, and easily raised from seed. These charming perennials quickly form an evergreen verdant mat. The surface-spreading mossy leaves are evergreen for year-round effect.
When your spring bloomers are starting to fade, the dense mats become covered with small carmine red, cup-shaped flowers held upright on ankle-high, strong stems.
Also, known as Mossy Saxifrage or Purple Robe ground cover, Saxifrages grow well in containers, beds, rock gardens, and anywhere a low-growing, spreading ground cover plant is desired. Mossy Saxifrage plants prefer well-drained soil and full sun to partial shade conditions. Purple Robe does not do well in the hot humid areas. It is both deer and rabbit resistant.
Grows about 6 inches tall, a perennial hardy for zones 4-9.
TRN228 Alpine Rock Thyme ( Acinos alpinus )
An attractive low mound of tiny green leaves backs clusters of bright pink to purple flowers. Blooms are held on the ends of the stems for most of the summer and attract bees and butterflies. Drought tolerant, ideal for alpine troughs and gravel gardens.
The leaves of Rock Thyme can be used as a flavoring in cooked dishes and also as a tea substitute.
A perennial for zones 4-9.
Either start seeds in a cold frame outside in late fall or start inside. If starting inside, lightly cover and use 3-4 weeks at 68-75°F, if no germination, 4-6 weeks at 39°F, then back to 68°F.
TRN034 Annabella White ( Anemone multifida )
This native North American wildflower is useful towards the front of a border, in the rock garden or in naturalized meadows. This selection forms a low mound or tuft of ferny green leaves, with a late spring display of small white flowers, followed by fluffy seedheads.
Clumps seldom need dividing or any special attention. To increase, dig clumps and divide in fall or early spring if desired.
Remove dead tops in late fall or early spring before new growth begins, hardy for zones 3-9.
IP014 Mountain Gold ( Alyssum montanum )
This is a popular rock garden perennial for the spring garden. It establishes itself easily from flower seeds sown directly outdoors. It forms a low, trailing mound of silvery-gray leaves, and it produces a mass of bright-yellow flowers in mid to late spring.
Plants benefit from a light trim after blooming to maintain a bushy habit, and they require good drainage. After sowing seeds, maintain adequate moisture to ensure germination and establishment, but once Mountain Gold is established, it is drought tolerant.
This is a perennial for every flower garden! Thrives best in dry, rocky soil and has a preference to full sun although it will tolerate light shade. Mountain Gold adds incredible color to rock gardens. Sow seeds in empty crevices to make the garden come alive.
TRN504 Turkish Delight Pelleted Seeds ( Sedum ussueiense )
Smashing deep burgundy foliage, carmine red flower umbels, for container, border, or rockery. Excellent pot plant. Grows about 6" tall, hardy to zone 3 outside.
IP028 Carpathian Blue ( Campanula carpatica )
A tidy bun of blue flowers summer to fall. Large, double flowers bloom in a profusion blue colors on compact plants. Suitable for the front of the border, for edging and rock gardens. Prefers cool, moist, fertile soil with good organic content. Good for Cut Flowers. Good for zones 4-8.
IP250 Cuckoo Flower ( Cardamine pratensis )
The name comes from the timing of the flowers, which coincides with the first calls of the Cuckoo bird in spring.
This unique wildflower can be found in moist or wet habitats, including meadows, damp grasslands, roadsides, ditches and river banks, so many are suprised that it also makes a very good rock garden plant.
The plant produces showy clusters of lilac-pink, purple or white flowers top the upright stems.
The flower is an important larval host plant and nectar source for the Orange-Tip and Green-Veined White butterflies, It makes a valuable addition to any garden which aims at attracting wildlife. Hardy to zone 4.
TRN036 Draba aizoides
Perennial. Compact foliage rosette with numerous small racemes
of sulfur yellow blooms, fine in rockery, grows 8 inches tall,
hardy to zone 4.
TRN037 Rocky ( Erigeron compositus )
These low growing flowering plants grow only 6 inches tall and have small daisy-like flowers that are white with yellow centers. If seeds are planted when temperatures are warm, plants will bloom in only three months after sowing.
Plant in rock gardens and edging along a perennial bed. Plant in full sun and in sandy type soils or plant in a rock wall. Blooms in late spring into mid summer.
Commonly referred to as Cutleaf Daisy. Has ferny foliage and a taproot allowing it to tolerate dry conditions. A perennial hardy to zone 4.
NB60 Helianthemum Nummularia ( Mutabile
Perennial. Splendid mixture for rockeries, evergreen, buttercup
flowers in pastels and whites, grows about 6 inches tall, hardy
to zone 4.
SF208 Yellow Flax ( Linum Flavum Compactum )
Yellow flax is well suited for rock gardens or growing along rocky paths. This perennial prefers full sun and soils that drain well, and it has a high drought tolerance once it is established.
This compact Linum offers lovely, airy yellow flowers and dark green, lance-shaped leaves. Even when not in bloom, the grassy leaves give a delicate texture to the garden.
Place the plants in the front of the flower border or in containers for extra appeal.
Grows 8-12 inches tall, good for zones 4-9.
TRN215 Ursinia anethoides
Free flowering orange daisies on fernlike foliage, for bed or
rock garden, grows about 16 inches tall.
NB62 Soapwort ( Saponaria Ocymoides )
Perennial. Rose flowers, trailer, for rockery or wall, long
lived, drought tolerant, summer bloomer, grows 6 inches tall,
hard to zone 2.
TRN058 Wooly Speedwell ( Veronica incana )
Perennial. Ageratum blue flowers over wooly gray-white foliage,
great for rockery, grows 12 inches tall, hardy to zone 4.
HR119 Lemon Catmint ( Nepeta mussini )
A bushy perennial plant used for rock garden. Lovely blue
flowers. Likes hot, dry weather. Used medicinally.
HR154 Lavender Lady ( Lavandula angustifolia )
Perennial. Plants flower in first season. Use for bedding
plants, borders in containers or in rock gardens. Delightful
HR234 Creeping Thyme, Mother of Thyme ( Thymus
Perennial plant. Used in teas, salads, rice and fish dishes.
Trailing, thick flat spreading plants. Good for rockgardens,
has small pink flowers.
IM116 Rockcress Grandiflora Mix ( Aubrieta )
Perennial. Grows only 6" tall, but bears beautiful, large
flowers in pink/purple shades.
Excellent rock garden or fill in plant. Hardy to zone 4.