Karl Rosenfield Peony

Paeonia 'Karl Rosenfield'

Family: Peony

Type: Perennial

Karl Rosenfield Peony is a classic, herbaceous perennial known for its large, double blooms in a deep crimson color. This variety of peony is prized for its showy, fragrant flowers that make a statement in any garden.

This peony variety stands out with its robust growth and lush, green foliage. It serves as an excellent backdrop for its striking blooms, which typically appear in late spring to early summer.

Hardy in zones 3-8, Karl Rosenfield Peony thrives in full sun to partial shade. It prefers well-draining soil and, once established, is relatively low maintenance, making it a favorite among garden enthusiasts.

Needs & Preferences

Hardiness Zone: 2a-3a

Deer Resistant: Yes

Pet Friendly: Yes

Moisture Preference: Average to moist

Sun Needs: Full sun


Growth Rate: Slow

Average Height (feet): 3

Average Spread (feet): 3

Average Life Span (years): 20

Form: Round


Flower Color: Purple

Bloom Season: From late spring to early summer

Foliage Color: Green

Landscaping Your Yard With Karl Rosenfield Peony

Integrating Karl Rosenfield Peony into your landscape offers a stunning display of color and texture. Its bold flowers can be the centerpiece of a flowering garden or a mixed border.

Perfect for traditional garden settings, this peony’s timeless beauty enhances cottage gardens, formal beds, and cutting gardens. Its large flowers are ideal for bouquets and arrangements, bringing the garden’s beauty indoors.

Despite its opulent appearance, Karl Rosenfield Peony is hardy and dependable. Its perennial nature ensures a spectacular show year after year with minimal care.


Suitable Garden Styles

Cottage Garden

Karl Rosenfield Peony fits perfectly in a cottage garden, adding a touch of romantic, old-world charm with its lush blooms.

Formal Garden

In formal gardens, its structured growth and vibrant blooms create an elegant and refined aesthetic.

Wildlife Garden

Peonies, including the Karl Rosenfield variety, can attract butterflies, adding another layer of beauty and activity to a wildlife-friendly garden.

Karl Rosenfield Peony Landscaping Ideas

Use as a focal point in mixed borders. Surround it with lower-growing perennials and annuals to highlight its stature and color.

Plant in groups for a dramatic impact. Mass plantings emphasize the bold color and form of the blooms.

Pair with spring bulbs and early perennials. This peony blooms after spring bulbs, offering a seamless transition of color in the garden.

Seasonal Interest


In spring, Karl Rosenfield Peony begins to grow, with buds forming and foliage emerging lush and green.


During summer, it blooms profusely, its large crimson flowers making a striking statement in the garden.


In the fall, the foliage of Karl Rosenfield Peony may turn a golden color, adding autumnal interest before it dies back.


In winter, the plant remains dormant, with the promise of regrowth and renewed beauty in the spring.

Planting Tips

Where to Plant

Karl Rosenfield Peony flourishes in a location with full sun to partial shade. It’s ideal for planting in garden beds, borders, or as a standalone feature in a sunny spot.


This peony variety prefers a sunny location but will tolerate some afternoon shade. Adequate sunlight is crucial for abundant blooming.


Karl Rosenfield Peony thrives in well-draining, fertile soil with a neutral to slightly acidic pH. Good soil preparation is key to healthy growth.


Space plants about 2 to 3 feet apart. This allows ample room for growth and air circulation, which is vital for healthy blooms.

When to Plant

The best time to plant Karl Rosenfield Peony is in the fall, allowing the roots to establish before winter.

How to Plant

Plant the roots shallowly, with the eyes (buds) no more than 2 inches below the soil surface. Planting too deep can inhibit flowering.

Plant Care Tips


Water regularly to keep the soil moist, especially during dry periods. Avoid over-watering, as peonies don’t like wet feet.


Apply a balanced fertilizer in the spring as new growth appears. Avoid high-nitrogen fertilizers, which can encourage foliage at the expense of blooms.


Peonies don’t require regular pruning. Remove spent blooms and cut back foliage in the fall to minimize disease risk.

By Season


Spring Care

In spring, remove any winter mulch and add compost or a balanced fertilizer to encourage growth.

Summer Care

Water as needed, especially during dry spells. Deadhead spent flowers to maintain a neat appearance.

Fall Care

After the first frost, cut the foliage down to ground level and dispose of it to prevent disease.

Winter Care

Apply a light layer of mulch after the ground freezes to protect the roots in colder climates.


Do Karl Rosenfield Peonies Attract Pests?

Karl Rosenfield Peonies are relatively pest-free, though they can sometimes attract ants, which are harmless to the plant.

How Long Do Karl Rosenfield Peonies Bloom?

The bloom period is typically in late spring to early summer, lasting around 7-10 days depending on the weather.

Can Karl Rosenfield Peonies Be Grown in Containers?

While possible, peonies like Karl Rosenfield generally perform best when planted in the ground due to their extensive root systems.

Products That Feature This Plant

Pops of Color

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