| Plants | Ratings | |
|---|---|---|
 |
UebelmanniaUebelmannia pectinifera |
|
 |
UlmoEucryphia cordifolia |
|
|
Umbrella BambooFargesia murielae |
|
 |
Umbrella Cheese TreeGlochidion sumatranum |
|
 |
Umbrella PalmHedyscepe canterburyana |
|
 |
Umbrella PlantDarmera peltata |
|
 |
Umbrella SedgeCyperus involucratus |
|
 |
Umbrella SedgeCyperus textilis |
|
|
Umbrella ThornAcacia tortilis ssp. raddiana |
|
|
Undivided DendrobiumDendrobium indivisum |
|
 |
Undoolya WattleAcacia undoolyana |
|
|
Unicorn PlantProboscidea louisianica |
|
 |
Unique DendrobiumDendrobium unicum |
|
 |
Upright Cord RushChordifex fastigiatus |
|
 |
Upright Elephant's EarAlocasia macrorrhiza |
|
 |
Upright European AspenPopulus tremula 'Erecta' |
|
 |
Upright Golden YewTaxus baccata Fastigiata Aurea Group |
|
 |
Upright Japanese HollyIlex crenata 'Fastigiata' |
|
 |
Ural False SpireaSorbaria sorbifolia |
|
 |
Urchin DryandraDryandra praemorsa |
|
 |
Urn HeathMelichrus urceolatus |
|
|
Utah AgaveAgave utahensis |
|
 |
Utopia Flax LilyDianella prunina 'Utopia' |
