🌼🌙 Missouri Evening Primrose (Oenothera macrocarpa) – 25 Seeds

Description:

Add dramatic, golden beauty to your garden with the luminous Missouri Evening Primrose (Oenothera macrocarpa). This stunning native perennial features large, cup-shaped yellow blooms that open in the late afternoon and evening, glowing like lanterns in the twilight. With its silvery-green foliage and sprawling habit, Missouri Evening Primrose is perfect for rock gardens, slopes, and wildflower meadows. Drought-tolerant and low-maintenance, it thrives in tough conditions while supporting native pollinators.

🌿 Botanical Name: Oenothera macrocarpa

Also known as: Ozark Sundrop, Bigfruit Evening Primrose

✨ Key Features:

• Large, bright yellow flowers up to 4 inches wide

• Blooms open in the evening and last until morning

• Drought-tolerant and heat-loving once established

• Native wildflower—great for naturalized plantings

• Attracts bees, moths, and butterflies

• Ideal for xeriscaping, borders, and rock gardens

🌱 Growing Information:

☀️ Light Requirements: Full sun
🌱 Sowing Time:

• Sow outdoors in fall for natural cold stratification

• Or cold-stratify seeds indoors and sow in early spring

🕰 Bloom Time: Late spring through summer
📏 Plant Height: 20–30 cm (8–12 inches)
📏 Spread: 30–60 cm (12–24 inches)

🌱 Germination Time: 14–28 days (may need cold stratification)
🌡 Germination Temperature: 18–22°C (64–72°F)

🌾 Soil & Watering:

• Soil Type: Sandy, rocky, or well-drained soil

• Soil pH: Neutral to slightly alkaline

• Watering: Water regularly during establishment; drought-tolerant thereafter

🧑🌾 Usage & Care:

• Excellent for erosion control on slopes

• Avoid overly rich or moist soils to prevent root rot

• Low maintenance; trim back after blooming for neatness

• Natural fit for native plantings and pollinator gardens

• Combine with other drought-tolerant plants like lavender, penstemon, and coneflowers

Contains 25 seeds

Oenothera macrocarpa