9 Flowers That Start With Letter ‘P’ (Pictures + Care Guide)

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by Max - last update on May 14, 2020, 8:51 am
Flowers that start with "P"

Do you know that there are lots of beautiful flowers starting with the "p" letters that can add colorful appearance & vibrancy to your home & garden? Here are our best recommendations - all are included with pictures, varieties, and caring tips.

9 Types of Flowers That Start With ‘P’

1. Peruvian Lily

Peruvian Lily

Scientific Name: Alstroemeria

Mature Size: Up to 3 feet tall

USDA Hardiness Zone: 6-10

Light: Full sun to partial shade

Water Average water needs

Soil: Well-draining, fertile

Flower Color: Pink, purple, orange, yellow, white

Special Features: Excellent as cut flowers

Varieties: Alstroemeria ‘Cleo’, Alstroemeria ‘Flaming Star’, Alstroemeria ‘Inca Ice’, Alstroemeria ‘Prima Donna’, Alstroemeria ‘Princess Fabiana’, Alstroemeria ‘Princess Louise’

These plants feature exotic-looking flowers that are marked with freckles or stripes in various striking colors. Each bloom typically measures around two inches across and takes a vague trumpet shape. Though they are known as Peruvian lilies or lilies of the Incas, they are not true lilies at all.

The flowers gather together in loosely packed clusters, with deep green sword-shaped foliage surrounding them. These blooms will self-seed easily, so you will need to deadhead spent flowers to prevent too many new plants from appearing. After flowers have faded, it is best to pull the whole stem out at its base as this will encourage the development of new blooms more so than pruning the faded flowers or removing them at the stem tops. Peruvian lilies make beautiful cut flowers and have an impressive vase life of around two weeks.


2. Phlox

Phlox

Scientific Name: Phlox paniculata

Mature Size: Up to 4 feet tall

USDA Hardiness Zone: 3-9

Light: Full sun to partial shade

Water Average moisture needs

Soil: Fertile, well-draining

Flower Color: Pink, purple, blue, white

Special Features:

Varieties: Phlox paniculata ‘Eva Cullum’, Phlox paniculata ‘Grenadine Dream’, Phlox paniculata ‘Neon Flare Blue’, Phlox paniculata ‘Peppermint Twist’, Phlox paniculata ‘Light Pink Flame’, Phlox paniculata ‘Flame Purple Eye’

These plants produce masses of flowers that create a colorful blanket of blooms through spring or summer. They come in a variety of heights to suit different areas of the garden and also come in creeping varieties to use as ground cover. Phlox are easy to care for and are reliable bloomers, which makes them popular perennial plants.

Each flower features five petals that spread out into an open shape to form a flat flower. They bloom for several weeks at a time, and some have a sweet fragrance. The foliage of phlox is lance-shaped and thin, sprouting from the slender stems. These plants need good air circulation so avoid planting other plants too close by, and ensure they have moist, well-draining soil. They grow well in full sun but can also adapt to partial shade, particularly in warm climates. Though they enjoy light and heat, they prefer to have cool roots. You can help to ensure this requirement is met by mulching the soil or adding a layer of pebbles on top of the soil.


3. Primrose

Primrose

Scientific Name: Primula sp.

Mature Size: Up to 8 inches tall

USDA Hardiness Zone: 3-8

Light: Full sun to partial shade

Water Maintain moist soil

Soil: Well-draining, fertile

Flower Color: Purple, blue, white, red, yellow, pink

Special Features: Brightly colored blooms

Varieties: Primula ‘Belarina Pink Champagne’, Primula ‘Zebra Blue’, Primula ‘Crescendo Blue Shades’, Primula auricula ‘Adrian’, Primula japonica ‘Apple Blossom’, Primula veris ‘Sunset Shades’

These compact perennials boast large and brightly colored flowers, measuring up to two inches across. Most varieties bloom from early to late spring, while some are able to bloom during winter. They are abundant and reliable bloomers, with some varieties offering luscious double blooms, while some have simpler single blooms. Some varieties of primrose have particularly interesting flowers with patterned petals.

They grow best in regions that experience cool summers, as they are not heat tolerant and will enter a period of dormancy when exposed to too much heat. In warmer climates, plant your primrose in a partially shaded position where the plant is protected from the most intense sunlight during the afternoon. They are also not tolerant of dry soil, so keep your primroses well-watered in a soil that drains easily.


4. Pansy

Pansy

Scientific Name: Viola sp.

Mature Size: Up to 2 feet tall

USDA Hardiness Zone: 4-10

Light: Full sun to partial shade

Water Average water needs

Soil: Fertile, well-draining

Flower Color: Purple, yellow, white, orange

Special Features: Suitable for cooler climates

Varieties: Viola cornuta ‘Halo Lilac’, Viola ‘Sorbet Lemon Chiffon’, Viola ‘Celestial Northern Lights’, Viola ‘Bunny Ears’

The Pansy plant is a type of violet (Viola) hybrid, though the term ‘Pansy’ has become widely used to describe all short-lived violets, and the two names have become somewhat interchangeable. It is an enormously popular bedding plant in cooler climates, as it enjoys cool weather, and thrives in spring and fall. In warmer regions, it can flower right through winter, with a blooming period of up to six months.

Though they are quite delicate in looks, these hardy plants are tolerant of frost and will continue to flower until the soil is frozen over. The flowers themselves feature overlapping petals, most commonly in tri-color mixes. They are a frequent fixture among hanging baskets, window boxes, and container pots. They are most often short-lived perennials or biennials, and will usually need replacing each year (The Old Farmer's Almanac).


5. Petunia

Petunia

Scientific Name: Petunia

Mature Size: Up to 1 foot tall

USDA Hardiness Zone: 2-11

Light: Full sun to partial shade

Water Average water needs

Soil: Fertile, well-draining

Flower Color: Purple, pink, yellow, white, red

Special Features: Vigorous growth

Varieties: Petunia ‘Easy Wave Yellow’, Petunia ‘Supertunia Black Cherry’, Petunia ‘Supertunia Morning Glory Charm’, Petunia ‘Tidal Wave Purple’, Petunia ‘Wave Misty Lilac’

These vigorous growers produce masses of brightly colored flowers over an exceptionally long blooming period, from spring right through to fall. They are wonderful on their own as a focal point, or they make great fillers as they fill out very full to create lush looking planters. They are tender perennials or annuals, so they will need to be replaced each year when grown outside of USDA hardiness zones 9-11, but these are definitely worth the investment as they perform so fantastically and make a huge impact in the garden.

They are commonly seen tumbling out of hanging baskets, window boxes, and other planters and have a voluptuous trailing habit. The texture of the flowers is quite luxurious, with a velvety soft surface. They take a wide-open trumpet shape and can range in size depending on the variety. Types of petunia varieties include grandiflora, multiflora, and milliflora, whose flowers range in size from large to miniature.


6. Passionflower

Passionflower

Scientific Name: Passiflora

Mature Size: Up to 30 feet long

USDA Hardiness Zone: 6-11

Light: Full sun to partial shade

Water Average water needs

Soil: Sandy, gravel, well-draining

Flower Color: White, purple, pink, red, blue

Special Features: Rapid climber

Varieties: Passiflora ‘Amethyst’, Passiflora ‘Anastasia’, Passiflora ‘Betty Myles Young’, Passiflora ‘Lady Margaret’, Passiflora ‘White Wedding’, Passiflora caerulea ‘Constance Elliot’

Passionflower plants can take the form of shrubs, or climbers, as either perennials or annuals. There are some cold-hardy varieties, which means that these fascinating plants can be grown in almost any climate. Passionflower vines grow vigorously, so they may need pruning to keep under control. They respond exceptionally well to even heavy pruning, so the most inexperienced gardener can approach pruning a passion flower without risking any long-term damage.

The blooms of the passionflower have a very exotic look and come in a variety of tropical colors. They bloom in abundance throughout summer, eventually giving way to green egg-shaped fruit, which ripens in early fall, taking on a deep golden-orange hue. Passion fruits are edible, though taste greatly varies between varieties, with some offering sweet and delicious fruits, while others are less appealing.

The passion flower plant also has attractive palmately lobed foliage in various shades of medium to deep dark green. The plant may be evergreen in warmer climates and deciduous in cooler climates. The passion flower vine attaches itself to trellis or fences via tightly curling tendrils, making it an exceptionally good climber, with the added benefit that it won’t damage the structures it is growing on. These plants enjoy moist soil, but they do have a mild tolerance to drought once mature.


7. Peony

Peony

Scientific Name: Paeonia

Mature Size: Up to 3 feet tall

USDA Hardiness Zone: 3-9

Light: Full sun to partial shade

Water Average moisture needs

Soil: Well-draining

Flower Color: Pink, red, yellow, white

Special Features: Showy flowers

Varieties: Paeonia ‘Abalone Pearl’, Paeonia ‘Chocolate Soldier’, Paeonia ‘Claire de Lune’, Paeonia ‘Many Happy Returns’, Paeonia lactiflora ‘Dr Alexander Fleming’, Paeonia lactiflora ‘Minnie Shaylor’

Peonies bring a lavish look to a garden without virtually any effort. Their single, semi-double, or fully double cup-shaped flowers, are available in a wide and stunning selection of colors, most notably various hues of pink. They are also prized for their sweet scent and romantic appeal. There are early blooming and late-blooming varieties, so if you plant some of either variety, then you will have peonies blooming in your garden throughout much of the growing season. These flowers also make excellent cut flowers, with an extended vase life of over a week. Peonies also feature attractive foliage, which is green throughout spring and summer but warms up to shades of orange, yellow, or red in the fall.

With a typical growth height of between two and three feet, peonies are well suited to growth in beds and borders, and can also make good container plants. They are generally reliable plants that perform well with very little care. They are not tolerant of too much heat, and though they thrive in full sun they should be offered a partially shaded position if they are grown in warm climates. Peonies are long-lasting plants and in the right climates will live for many decades. They are very low-maintenance and are virtually free of pests. They are, however, attractive to pollinators, bringing visitors in the form of butterflies, bees, and hummingbirds into your garden.


8. Pineapple Lily

Pineapple Lily

Scientific Name: Eucomis

Mature Size: Up to 3 feet tall

USDA Hardiness Zone: 6-10

Light: Full sun

Water Average water needs

Soil: Fertile, well-draining

Flower Color: Purple, pink, white

Special Features: Quirky style

Varieties: Eucomis comosa ‘Reuben’, Eucomis comosa ‘Sparkling Burgundy’, Eucomis ‘Glow Sticks’, Eucomis ‘Tugela Jade’

These are perennial plants that grow from bulbs. They produce tall spikes that become covered in small flowers from late to mid-summer, with a rosette of foliage sitting atop of each spike. These rosettes have a pineapple-like look to them, which is where the plant gets its common name from. These plants need plenty of fertilizer throughout the growing season to thrive, and their soil should not be allowed to dry out. They will adapt to a partially shaded position, though full sun is preferred as blooms may be less abundant in the shade.


9. Pincushion Flower

Pincushion Flower

Scientific Name: Leucospermum

Mature Size: Up to 12 feet tall

USDA Hardiness Zone: 9-11

Light: Full sun

Water Drought-tolerant

Soil: Well-draining, acidic

Flower Color: Red, orange, yellow

Special Features: Unusual flowers

Varieties: Leucospermum ‘California Sunshine’, Leucospermum ‘Scarlet Ribbon’, Leucospermum cordifolium ‘Flame Giant’, Leucospermum cordifolium ‘Yellow Bird’

These evergreen plants are native to South Africa, where they are accustomed to hot and dry climates, and therefore do well in USDA growing zones 9-11 where weather is mild. They can take the form of shrubs and trees, but some varieties can also be used effectively as ground cover. They feature unusual thistle-like flowers that resemble pincushions, hence their common name. These exotic flowers come in a variety of vivid flame-like colors, and varying sizes, with some plants producing huge six-inch blooms.

These plants typically bloom through spring and summer, and also make excellent cut flowers as they have an unbelievable vase life of over four weeks. These plants thrive in full sun and are heat and drought-tolerant once established. When young, water little and often, but as the plants mature, they will do best with infrequent deep waterings. They prefer acidic soil, which is well-draining and has a light and loose consistency.

9 Flowers That Start With Letter ‘P’ (Pictures + Care Guide)

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