GardenersHQ

Plant Growing Guides

Genus Index : P to R

Welcome to the Growing plants genus index P-R section of the GardenersHQ website.


Index P


Paeonia Plant

Growing Peony

Peony. USDA hardiness zone: 2-9


Panicum Plant

Growing Millet

Millet, Switchgrass. USDA hardiness zone: 3-10


Papaver Plant

Growing Poppy

Poppy. USDA hardiness zone: 3-10


Paradisea Plant

Growing Paradise Lily

Paradise Lily. USDA hardiness zone: 4-8


Pardancanda Plant

Growing Candy Lily

Candy Lily. USDA hardiness zone: 5-10


Parnassia Plant

Growing Grass of Parnassus

Grass of Parnassus. USDA hardiness zone: 3-9


Parochetus Plant

Growing Shamrock Pea

Shamrock Pea. USDA hardiness zone: 6-9


Passiflora Plant

Growing Passion flowers

Passion flowers. USDA hardiness zone: 6-10


Patrinia Plant

Growing Patrinia Plants

Patrinia. USDA hardiness zone: 5-8


Pelargonium Plant

Growing Geranium

Geranium. USDA hardiness zone: 3-10


Pennisetum Plant

Growing Fountain Grass

Fountain Grass. USDA hardiness zone: 1-10


Penstemon Plant

Growing Beard Tongue

Beard Tongue. USDA hardiness zone: 1-10


Perilla Plant

Growing Beafsteak Plant

Beafsteak Plant. USDA hardiness zone: 3-10


Perovskia Plant

Growing Russian Sage

Russian Sage. USDA hardiness zone: 3-9


Petroselinum Plant

Growing Parsley

Parsley. USDA hardiness zone: 4-9


How to Grow Petunia

Growing Petunia

Petunia are half hardy annuals that reach from 30 to 45 cm (12 to 18 inches) and are idea border and edging plants. USDA hardiness zone: 1-10

Find out more about Growing Petunia


Phacelia Plant

Growing Heliotrope

Heliotrope, California Bluebell. USDA hardiness zone: 3-10


Phalaris Plant

Growing Canary Grass

Canary Grass, Ribbon Grass. USDA hardiness zone: 3-10


Phaseolus Plant

Growing Runner Bean

Bean, Runner Bean. USDA hardiness zone: 1-10


Phlomis Plant

Growing Jerusalem Sage

Jerusalem Sage. USDA hardiness zone: 3-9


Phlox Plant

Growing Phlox

Annual Phlox. USDA hardiness zone: 2-10


Perennial Phlox Plant

Growing Perennial Phlox Plants

Perennial Phlox. USDA hardiness zone: 3-9


Phormium Plant

Growing Phormium

New Zealand flax. USDA hardiness zone: 8-10


Phuopsis Plant

Growing Crosswort

Crosswort. USDA hardiness zone: 6-9


Phygelius Plant

Growing Cape Fuchsia

Cape Fuchsia. USDA hardiness zone: 5-9


Physalis Plant

Growing Physalis

Cape Gooseberry, Chinese Lanterns. USDA hardiness zone: 3-9


Physotegia Plant

Growing Obedient plant

Obedient plant, False dragonhead. USDA hardiness zone: 3-9


Phyteuma Plant

Growing Rampion

Rampion. USDA hardiness zone: 5-8


Pimpinella Plant

Growing Anise

Anise. USDA hardiness zone: 4-9


Pinguicula Plant

Growing Butterwort

Butterwort. USDA hardiness zone: 5-10


Platycodon Plant

Growing Balloon flower

Balloon flower. USDA hardiness zone: 3-9


Platystemon Plant

Growing Creamcups

Creamcups. USDA hardiness zone: 5-8


Podophyllum Plant

Growing Mayapple

Mayapple. USDA hardiness zone: 3-9


Polemonium Plant

Growing Jacob's ladder

Jacob's ladder. USDA hardiness zone: 3-8


Polianthes Plant

Growing Tuberose

Tuberose. USDA hardiness zone: 6-10


Polygonatum Plant

Growing Solomon's seal

Solomon's seal. USDA hardiness zone: 4-9


Polygonum Plant

Growing Knotweed

Knotweed, Bistort. USDA hardiness zone: 3-10


Polypogon Plant

Growing Beard Grass

Beard Grass, Rabbitsfoot Grass. USDA hardiness zone: 5-10


Portulaca Plant

Growing Purslane

Purslane, Moss Rose. USDA hardiness zone: 2-10


Potentilla Plant

Growing Cinquefoil

Cinquefoil. USDA hardiness zone: 4-8


Primula Plant

Growing Primrose

Primrose, Cowslip. USDA hardiness zone: 3-10


Prunella Plant

Growing Self heal

Self heal, Heal-all. USDA hardiness zone: 6-9


Pulmonaria Plant

Growing Lungwort

Lungwort, Bethlehem Sage. USDA hardiness zone: 3-9


Pulsatilla Plant

Growing Pasque flower

Pasque flower, Wind flower. USDA hardiness zone: 4-8


Puschkinia Plant

Growing Striped squill

Striped squill. USDA hardiness zone: 4-10


Pyrethrum Plant

Growing Tanacetum

Painted Daisy, Tansy, Feverfew (Tanacetum). USDA hardiness zone: 1-10


Index Q


Quamoclit Plant

Growing Star Ipomoea

Star Ipomoea, Cypress Vine. USDA hardiness zone: 6-10


Index R


Ramonda Plant

Growing Serbian queen

Serbian queen. USDA hardiness zone: 5-8.


How to Grow Ranunculus

Growing Ranunculus

Ranunculus are a large genus of hardy or half hardy perennials that have cup-shaped flowers; many of which are double cupped. USDA hardiness zone: 4-9.

Find out more about Growing Ranunculus


Rehmannia Plant

Growing Chinese Foxglove

Chinese Foxglove. USDA hardiness zone: 7-10


Reseda Plant

Growing Mignonette

Mignonette. USDA hardiness zone: 2-10


Rheum Plant

Growing Rhubarb

Rhubarb. USDA hardiness zone: 5-9


Rhodochiton Plant

Growing Purple Bell Vine

Purple Bell Vine. USDA hardiness zone: 6-10


Rhodohypoxis Plant

Growing Rhodohypoxis Plants in the Garden

Rhodohypoxis. USDA hardiness zone: 3-10


Ricinus Plant

Growing Castor Oil Plant

Castor Oil Plant, Palma Christi. USDA hardiness zone: 3-10


Rochea Plant

Growing Jade plant

Jade plant, Money tree. USDA hardiness zone: 9-10


Rodgersia Plant

Growing Rodgersflower

Rodgersflower. USDA hardiness zone: 5-8


Romneya Plant

Growing Matilija poppy

Matilija poppy. USDA hardiness zone: 7-10


Roscoea Plant

Growing Roscoea Plants

Roscoea. USDA hardiness zone: 5-10


Rosmarinus Plant

Growing Rosemary

Rosemary. USDA hardiness zone: 6-9


Rudbeckia Plant

Growing Black Eyed Susan

Black Eyed Susan. USDA hardiness zone: 2-10


Ruellia Plant

Growing Wild petunia

Wild petunia. USDA hardiness zone: 4-10


Rumex Plant

Growing Sorrel

Sorrel. USDA hardiness zone: 5-9


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