- High Humidity
- Hot, hot heat
- High desiccating winds (killer)
- Hurricanes (not the football team)
- Hard Freezes
- Horrible temperature swings
- Hurtful droughts
- Harmful floods
- Mold
- Water damage to interiors
- Collapse from weight (water is heavy)
- Bacterial breeding
- and who knows what else…
- Can survive the many H’s
- Are visually acceptable by the community
- May be cost-effective
- Are preferably native species (or non-invasive species)
- Do not present a fire hazard or contribute too much dry leaf litter
- Are low maintenance
- Can survive long periods of drought
- Can survive twenty inch downpours
- Resist fungal infestations
- and much more
1. Frog Fruit (Lippia nodiflora), and
2. Wild Garlic (Allium canadense)
I’ll be posting more data on these two species over the next couple days. In the meantime – what are your experiences with these species on green roofs?
Green Roof Plant Dwarfed 2 Year Old Allium Canadense |
Happy green roofing! Kevin
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