How to Grow Ruby Moon
Dolichos lablab
Ruby Moon is a vigorous tender perennial vine that produces attractive foliage and edible pods. Gardeners grow this heirloom variety for its reliable performance in warm climates and its ability to provide fresh produce when properly managed throughout the growing season.
📷 Wikimedia CommonsStarting Ruby Moon: indoors or direct sow?
🌾 Sow directly in the garden — Ruby Moon is not usually started indoors.
This plant is best grown by direct seeding outdoors after the last frost date once soil temperatures have warmed sufficiently for germination.
Soil, care & harvest
Prepare well-draining soil with a pH between 6.0 and 7.5, as Dolichos lablab thrives in neutral conditions. Since this is a warm-season crop, you should sow seeds directly outdoors after all danger of frost has passed and the soil has warmed up. Plant the seeds about one inch deep to ensure successful germination within seven to fourteen days.
Space plants twelve to eighteen inches apart along sturdy trellises or supports, as this vine can reach heights of six to eight feet. Provide regular watering to maintain consistent moisture, especially during flowering and pod development, while applying a light mulch around the base. Feed the plant occasionally with a balanced fertilizer if growth appears sluggish.
Watch for occasional spider mites or aphids in hot, dry weather, preventing issues by ensuring good air circulation and watering regularly to keep foliage healthy. Powdery mildew may appear in dense foliage, so thin plants slightly and avoid overhead watering. Harvest the pods approximately one hundred ten to one hundred twenty days after sowing when they are fully mature.
When to Plant Ruby Moon
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Ruby Moon
✓ Good companions
Fix nitrogen in soil and provide natural trellis support structure
Attract beneficial predatory insects and repel whiteflies
Repel aphids and improve soil health with sulfur compounds
Attracts beneficial wasps and predatory insects for pest control
Repel nematodes and aphids while attracting beneficial insects
Act as trap crop for aphids and cucumber beetles, climbing companion
Break up soil for vine root development and deter vine borers
Provides ground cover and attracts hoverflies that eat aphids
✗ Keep away from
Produces juglone toxin that inhibits growth of most vining plants
Root exudates suppress nearby plant growth and compete for nutrients
Releases allelopathic compounds that stunt vine growth and development
