This plant is called Artemisia schmidtiana(ar-tem-EE-zee-ah) also called Silver Mound. It grows in zones4-8.Plant the seeds 3 times the depth of the seed.Temperature best grown is at 15-21C(59-70F).They should come up between 7-14 days.It grows to about 3ft.tall and loves sun.
This is Aruncus dioicus(uh-RUNK-uss),also known as Goat's Beard.It grows in zones 5-9.Cover the seeds lightly with soil.try to keep at a temperature between13-22C(55-72F). They take from 14 to 35 days to come up.Aruncus grows 6ft.tall and likes part shade to full sun.
Here is Asclepias tuberosa (as-KLEE-pee-us) for zones 3-8.To start this plant from seed ,soak in water for 4 hours. Plant 3 times the depth of the seed and keep between18-25C(64-77C).They take about 10 to 28 days to appear.They grow about 2 ft.tall and love full sun.The monarch butterflies love this plant also, an added bonus :-)
Here we have Astilbe.x arendsii (as-TILL-bee).It likes zones 4-8.The seeds need a light soil cover and a temperature of 15-21C(59-70F) to sprout best.They should appear in 21-28 days. This Astilbe grows 2ft. and likes a fair amount of shade and moist soil with lost of compost and some peatmoss.
Now meet Aubrieta deltoidea (aw-BREE-tah) also called Purple Rock Cress. It likes zones 4-7. To start these seeds you sprinkle on top of the soil and leave Uncovered from soil. the temperature should be from 15-18C(59-64F) and they should appear in 7-15 days. They grow about 6 inches tall, like partial shade to full sun and well drained sandy soil.

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