These are the different species of flowers with names that start with the letter P with an emphasis on common and easy to grow varieties:
Painted Daisy
Tanacetum coccineum, commonly called painted daisy or pyrethrum, is an upright, bushy perennial that typically grows 2-3′ tall.
Pale Purple Coneflower
Pansy
The garden pansy flower is 2 to 3 in in diameter and has two slightly overlying upper petals, two side petals, and a single bottom petal with a slight beard emanating from the flower’s center. These petals are usually white or yellow, purplish, or blue.
Paper Daisy
Paper Daisy has colorful flowers with papery, pink petals. The center of the flower has a dark yellow color. Sometimes the petals can range from white to pink to intensive red.
Paperbush Plant
Pasque Flower
These flowers are usually some of the first flowers to bloom at the start of the spring season.
Passion Flower
Passiflora, known also as the passion flowers or passion vines is a caterpillar host for the Gulf Fritillary, Variegated Fritillary, Julia Heliconian and Zebra Heliconian butterflies.
Passiflora is also used for medicinal purposes such as to help with insomnia, anxiety, adjustment disorder, attention deficit-hyperactivity disorder, and fibromyalgia.
Peace Lily
Pearly Everlasting
Pelargonium
Pencil Cholla
This is a species of cacti that bear yellow flowers.
Penstemon
These are easy to grow in full sun and in fertile, well-drained soil, Rocky Mountain Penstemon can be direct-sown. They are also known as beardtongues.
Peony
Perennial Flax
Linum perenne goes by the names the perennial flax, blue flax or lint.
Perennial Pea
Also known as Lathyrus latifolius, the perennial peavine, or broad-leaved everlasting-pea.
Persian Buttercup
Coveted by florists and gardeners, Ranunculus asiaticus (Persian Buttercups) is a tuberous-rooted plant that produces brilliantly colored flowers adorned with multiple layers of delicate, crepe paper-thin petals.
Peruvian Lily
Also known as the Lily of the Incas (Alstroemeria), the Peruvian Lily comes in a variety of colors that include orange, pink, rose, purple, red, yellow, white or salmon.
Petunia
Phlox
Pig Squeak
Pincushion Flower
Pink Dianthus
Pink Flowering Almond Shrub
This shrub bears pink, five-petaled flowers during the spring.
Polyanthus
These plants produce incredibly bright cheerful flowers from July through to October. Technically a perennial they are grown as annuals across Australia except in the colder regions.
Poppy
Papaver alpinum, the Alpine poppy or dwarf poppy, is a poppy found in the Alps.
Prickly Pear Cactus
Prickly pears are also known as tuna, sabra, nopal from the Nahuatl word nōpalli for the pads, or nostle, from the Nahuatl word nōchtli for the fruit; or paddle cactus.
Purple Poppy Mallow
Have a look at our article about the best online flower shops if you want to purchase any of the above flowers for your garden.