Perennial – Nodding Onion

Nodding Onion

Botanical name: allium cernuum 

Beginner friendly?: moderate 

Average size at maturity: 1-2 ft in height with a 1 in – 1 ft spread 

Hardy zone: zones 3-9 

Growth rate: reaches fully mature size in first growing season 

Foliage color: green 

Flower color: white, purple/pink

Bloom time:  summer 

Pruning instructions: deadhead withered blooms and foliage as needed 

Propagation methods: propagate by crown division during the spring months 

Landscape use: pollinator garden, mixed flower beds, edging/borders 

Special features: attracts pollinators, deer resistant, re-bloomer, culinary plant 

Light needs: at least 6 hours of sun per day 

Watering instructions: allow the top 1-2 inches of soil to dry out between watering sessions 

Fertilizing instructions : use a slow-release fertilizer once a year in the spring 

Best time to plant: fall 

Best type of soil:  loam, sand 

Companion plants: butterfly weed, coneflower, foamflower

Toxicity level: toxic for pets if ingested, non-toxic for humans 

Invasive species: no