Missouri Evening Primrose, Ozark Sundrop(common name)
Plant family: Onagraceae
Genus: Oenothesa
Species: Missouriensis
500 mg packet
Plant type: Perennial
Colors: Bright Yellow
Bloom time: Spring - late summer
Texture: Medium
Growth rate: Medium
Height: 6" - 14"
Width: 24"
Light requirements: Full sun
Soil needs: Moderately fertile, well drained, rich soil with a ph of 6.5 - 7.5.
Care: Plant established plants 15" - 18" apart. Deadhead as plant may be invasive. Drought tolerant, however, water regularly. Do not over water. Mulch around but do not touch plant to help retain moisture.
Pests and diseases: Root rot if conditions are wet, Powdery mildew, rust, Septoria leaf spot
Good companions: Crocusmia, Geum, Blanket Flower
Propagation: Sow indoors 6 - 8 weeks before last frost or direct sow into garden after last frost. Sprinkle seeds over soil mix and do not cover. Keep moist.