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Hesperis matronalis (Brassicaceae)
An upright, hardy perennial native to Europe, but has escaped cultivation and adapted throughout most of the United States. Delightful lilac-purple flowers are concentrated at the end of sturdy stalks. The genus name, Hesperis, is Greek, meaning "evening", referring to the plant's unique characteristic of filling the night with its ever so sweet fragrance. Prefers a moist, well-drained soil in full sun or partial shade. Produces a high ratio of blooms per plant.
Average planting success with this species: 70%
Height: 2-3 feet
Germination: 20-30 days
Optimum soil temperature for germination: 70F-80F
Sowing depth: 1/16"
Blooming period: May-August
Average seeds per pound: 296,000
Seeding rate: 8 lbs. per acre
1 oz Covers: 340 sq. ft.
Suggested use: Borders along fences, roadsides, ditches, meadows.
Miscellaneous: Can be seen from great distances when planted in mass.