Clay Soil Plants

Siskiyou Mexican Evening Primrose

Oenothera speciosa 'Siskiyou'

Old Man Prickly Pear

Opuntia erinacea

Cascading Ornamental Oregano

Origanum libanoticum

Origanum vulgare

Origanum vulgare 'Aureum'

Indian Rice Grass

Oryzopsis hymenoides

Pachystima canbyi

Pachystima myrsinites

Peony, Herbaceous & Tree

Paeonia cv. (assorted)

Paeonia hybrids

Panicum virgatum

Dallas Blues Switchgrass

Panicum virgatum 'Dallas Blues'

Heavy Metal Switch Grass

Panicum virgatum 'Heavy Metal'

Northwind Switchgrass

Panicum virgatum 'Northwind'

Red Switchgrass

Panicum virgatum 'Rotstrahlbusch'

Shenandoah Switchgrass

Panicum virgatum 'Shenandoah'

Papaver orientale

Silver Nailwort

Paronychia kapela ssp. serpyllifolia

Persian Ironwood

Parrotia persica

Hacienda Creeper

Parthenocissus 'Hacienda Creeper'

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