How to Grow Green Gold
Bupleurum rotundifolium
Your complete guide to growing Green Gold.
📷 Wikimedia CommonsWhen to Plant Green Gold
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Green Gold
✓ Good companions
Attracts pollinators and beneficial insects while potentially improving plant vigor
Repel aphids, Japanese beetles, and carrot flies with their strong sulfur compounds
Attract beneficial insects including parasitic wasps and provide habitat for predators
Repels moths, fleas, and mosquitoes while attracting pollinators like bees and butterflies
Repel nematodes, aphids, and whiteflies while attracting beneficial insects
Act as trap crops for aphids and cucumber beetles, deterring pests from main plant
Attracts beneficial insects like lacewings and hoverflies that control aphids
Improves soil health and attracts predatory wasps and ladybugs for pest control
✗ Keep away from
Produces juglone compound that is toxic to many flowering plants and inhibits growth
Releases allelopathic compounds that suppress growth of nearby plants
Can release allelopathic chemicals and compete aggressively for nutrients and water
