Annual – Chinese Ornamental Mustard

Chinese Ornamental Mustard

Botanical name: brassica juncea 

Beginner friendly?: moderate 

Average size at maturity: 1-5 ft in height with a spread of 1-3 ft 

Bloom time: spring, summer 

Hardy zone: zones 4-11 

Flower color: yellow 

Foliage color: green, purple, gray, brown 

Growth rate: reaches fully mature size in first growing season

Pruning instructions: deadhead withered foliage as needed

Propagation methods: propagate by seed sowing 

Landscape use: groundcover, container plant, edging, ornamental herb garden

Special features: disease resistant, heat tolerant, attracts pollinators 

Light needs: at least 6 hours of sun per day 

Watering instructions: only allow the top layer of soil to dry between watering sessions 

Fertilizing instructions : use an organic plant food fertilizer once every 3 months 

Best time to plant: spring, summer, fall 

Best type of soil: loam 

Companion plants: rosemary, garlic, onions, marigolds, lavender 

Toxicity level: toxic for pets and livestock if ingested, potentially toxic for humans is ingested in large amounts 
Invasive species: yes