Oenothera tetragona

Olearia nummularifolia 'Rifnik'

Onoclea sensibilis

Ophiopogon jaburan

Ophiopogon japonicus 'Variegatus'

Ophiopogon planiscapus 'Little Tabby'

Ophiopogon planiscapus Aureovariegatus

Ophiopogon umbraticola

Ornithogalum balansae

Osmanthus armatus

Osmanthus burkwoodii

Osmunda claytoniana

Osmunda japonica

Paulownia tomentosa

Petasites hybridus

Phlomis fruticosa

Phygelius aequalis

Phygelius capensis 'Coccineus'

Pinus pinea

Pinus ponderosa

Podophyllum pleianthum

Polygonatum odoratum 'Betberg'

Polystichum acrostichoides

Polystichum bicknellii

Polystichum makinoi

Polystichum munitum

Polystichum polyblepharum

Polystichum rigens

Polystichum tsus-simense

Poncirus trifoliata 'Flying Dragon'

Primula auricula

Primula denticulata 'Cashmeriana'

Prostanthera cuneata

Pseudowintera colorata

Pyrrosia lingua

Quercus cerris