How to Grow Timeless Mix
Ageratum houstonianum
Your complete guide to growing Timeless Mix.
📷 Wikimedia CommonsWhen to Plant Timeless Mix
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 Timeless Mix
✓ Good companions
Attract beneficial insects and pollinators without competing heavily for resources
Repels moths, fleas, and mosquitoes while attracting bees and other pollinators
Repel nematodes, aphids, and other harmful insects while attracting beneficial pollinators
Act as trap crops for aphids and cucumber beetles while adding edible flowers
Repel aphids, tomato hornworms, and other garden pests naturally
Provide beneficial shade and attract birds that eat harmful insects
Attracts beneficial insects like lacewings and hoverflies that prey on garden pests
Attract butterflies, bees, and beneficial predatory insects like ladybugs
✗ Keep away from
Produces juglone toxin that inhibits growth and can kill many flowering plants
Releases allelopathic compounds that suppress growth of nearby plants
Acidify soil through needle drop and create dense shade that inhibits flower growth
