Perennial – Narrowleaf Evening Primrose

Narrowleaf Evening Primrose 

Botanical name: oenothera fruticosa 

Beginner friendly?: moderate 

Average size at maturity: 8 inches – 3 ft in height with a 2 ft spread 

Hardy zone: zones 4-9 

Growth rate: reaches fully mature size in first growing season 

Foliage color: green 

Flower color: yellow 

Bloom time:  spring, summer 

Pruning instructions: deadhead withered blooms and foliage as needed 

Propagation methods: propagate by seed sowing 

Landscape use: seasonal borders/edging, pollinator garden, rock garden 

Special features: deer resistant, heat tolerant, pet-friendly 

Light needs: at least 6 hours of sun per day 

Watering instructions: allow the soil to mostly dry out between watering sessions 

Fertilizing instructions : use a slow-release fertilizer once a year in the spring as the plant comes out of dormancy 

Best time to plant: spring, summer 

Best type of soil:  loam, sand 

Companion plants: goldenrod, coneflower, butterfly weed

Toxicity level: non-toxic to humans and pets 

Invasive species: no