Yellow Cowslip flower seeds produce hardy perennial plants with clusters of soft yellow bell-shaped blooms held above attractive green foliage. Suitable for cottage gardens, woodland borders, meadow plantings, and naturalized landscapes, these ornamental flowers grow well in fertile, moisture-retentive, well-drained soil with full sun to partial shade. Their cheerful spring blossoms and compact growth habit provide seasonal color and blend naturally with other perennial flowering plants in outdoor garden settings.