Foam flower Tiarella cordifolia 5-10 pot P9

Size: Potmaat leidend

5-10cm

|

Pot 9x9 cm (P9)

|

Available from: 03/02/2025

Number of m2

Nr. of plants

3.35

3.35 per piece

incl. VAT, excl. shipping costs (calculated in shopping cart)

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Benefits according to our specialist

Plantable year-round
Fragrant
Low maintenance

Plant features
Description
Planting and care
Packaging and shipping

Genus
Tiarella (view all varieties)

Root type
Pot

Pot size
9x9 cm (P9)

Flowering months
April, May, June

Leaf colour
White

Possibilities
Border, Group planting, Underplanting, Edge planting

Soil type
All soil types, well-drained

Positioning
Semi-shade, Shade

Winter hardiness
-15,0°C / -9,4°C, USDA zone 7b/8a

Fruit-bearing plants
No

Water needs
Average water

Number of plants per m²
9

Evergreen plants
Yes

Leaf colour
Green

Fragrant plants
No

Growth habit
Creeping wide-spreading growth habit

Height at time of delivery excluding pot/clod
5-10

Mature height (cm)
25

Art. no.
1001171

Description

Tiarella cordifolia | Foam flower

Discover the charming allure of Tiarella cordifolia, commonly known as the foam flower or coolwort. This delightful perennial is prized for its lush, heart-shaped leaves and the frothy white blooms that grace gardens in the cooler months of spring. Native to the woodlands of Eastern North America, Tiarella cordifolia thrives in the dappled light beneath tree canopies, offering a serene beauty to shaded areas.

Key Features

Tiarella cordifolia is an excellent choice for gardeners seeking an evergreen ground cover with a graceful growth habit. This species is well-suited for:

Creating a soft border or enhancing the edge of a shaded garden path.
Group or mass planting where its creeping, widespread growth habit can be admired.
Sub-planting beneath taller perennials or shrubs, as it will not compete aggressively for space.
Adding texture and color to the garden throughout the year, with foliage that transitions to a beautiful bronze hue in autumn.

Despite its delicate appearance, the coolwort is robust and maintains its vibrant green foliage year-round, adding an enduring splash of color to any garden.

Tips

To ensure the health and vitality of your Tiarella cordifolia, plant it in a location that receives partial to full shade. This will mimic its natural woodland habitat.
While adaptable to a variety of soil types, it is paramount that the soil is well-drained to prevent root rot. Aiming for soil that is rich in organic matter will yield the best results.
Regular watering is necessary to keep the soil consistently moist, especially during prolonged dry spells. However, be cautious not to overwater.
Propagation through division not only stimulates new growth but also helps to maintain the vigor of the plant. Divide Tiarella cordifolia in the spring or autumn to give the new plants time to establish before the extremes of summer or winter.
Minimal pruning is needed. Simply remove any damaged or spent foliage to keep your foam flowers looking their best.

Ideal placement of a Tiarella cordifolia

Tiarella cordifolia thrives best in locations offering partial shade to shade, mimicking its native habitat in Eastern North America. The plant's creeping, widespread growth habit makes it an excellent choice for border accents or as a ground cover in woodland gardens. It requires a well-drained soil environment but is quite adaptable to various soil types. The foliage maintains a vibrant green throughout spring and summer, turning to striking bronze tones come autumn. For optimal growth and maintenance of this species' health, ensure it receives average water and is protected from excessive dry conditions.

How do I plant a Tiarella cordifolia?

When planting Tiarella cordifolia, a location offering partial shade to full shade is ideal to mimic its native habitat in Eastern North America. This plant thrives in well-drained soils, although it is adaptable to various soil types. Carefully remove the plant from its pot and ensure that it's planted at the same depth it was grown. Spacing should accommodate its creeping growth habit, allowing it to spread naturally. Watering after planting is crucial to help establish the root system. The best times for planting are during the cooler months of spring or autumn to minimize stress on the plant.

Pruning a Tiarella cordifolia

Tiarella cordifolia benefits from minimal pruning to maintain its appearance and health. After the flowering period in late spring or early summer, it is advisable to trim off the spent flower stalks to encourage a tidy growth form. This will also allow for the foliage to display its full beauty, particularly as it adopts bronze hues in autumn. As a deciduous perennial with a creeping growth habit, occasional thinning may be necessary to prevent over-crowding and to promote air circulation within the plantings.

Watering a Tiarella cordifolia

To ensure the health and vigor of Tiarella cordifolia, provide consistent moisture, especially during its active growth in the spring and early summer months. While the species can tolerate a range of soil conditions, it is not drought-resistant and benefits from regular watering when rainfall is insufficient. The aim is to keep the soil evenly moist, but well-drained, avoiding waterlogged conditions which can be detrimental. During the hotter periods, an increase in watering frequency may be necessary to maintain the lush, green foliage and support its creeping, widespread growth habit.

Fertilising a Tiarella cordifolia

To support the lush foliage and delicate blooms of Tiarella cordifolia, a balanced approach to fertilizing is recommended. An all-purpose, slow-release fertilizer applied in early spring can provide the necessary nutrients to encourage vigorous growth and prolific flowering. Given its creeping growth habit and preference for well-drained soil, it is essential not to over-fertilize, as this can lead to excessive leaf growth at the expense of blooms.

When fertilizing, sprinkle the granules around the base of the plant, taking care not to let the fertilizer come into direct contact with the leaves or stems to prevent potential burn. A second application may be beneficial in the summer months to sustain its growth and vitality throughout the flowering period and into the autumn when foliage can take on a bronze hue.

The characteristics of a Tiarella cordifolia

A delightful aspect of Tiarella cordifolia is its adaptability to various light conditions, thriving in partial shade and even in more shaded garden nooks. This species is appreciated for its clump-forming habit, which allows it to gracefully fill spaces in woodland gardens and create a lush, carpeted effect. The delicate, frothy blooms of Tiarella cordifolia emerge in spring, adding a soft, ethereal quality to the landscape that belies the plant's robust nature.

Separating/dividing a Tiarella cordifolia

To enhance the health and vigor of Tiarella cordifolia, division is a suitable method. Ideally, this process should be carried out in the cooler periods of spring or autumn. Begin by gently lifting the plant from the soil, taking care to preserve the root structure. Once removed, the clump can be divided into smaller sections, ensuring that each new segment has a healthy portion of roots attached. Replant these sections promptly, spacing them adequately to allow for their creeping growth habit. This will not only invigorate new growth but sustain the lush, ground-covering quality that makes this species so desirable.

What will be the height of Tiarella cordifolia?

Tiarella cordifolia typically grows to a height ranging from 10 to 50 centimeters when fully mature.

What will be the width of Tiarella cordifolia?

Tiarella cordifolia will achieve a maximum spread ranging from 10 centimeters to 50 centimeters, depending on the specific growing conditions.

Which soil type is most suitable for the Tiarella cordifolia?

Tiarella cordifolia can thrive in various soil types as long as the soil is well-drained. This ensures that the plant's roots have access to sufficient oxygen while preventing waterlogging, which is essential for its healthy growth.

What is the ideal positioning for the Tiarella cordifolia?

The ideal location for Tiarella cordifolia is an area with partial shade or shade. This plant thrives in environments where direct sunlight is limited, such as under the canopy of larger plants or in shaded areas of the garden.

What is the flowering colour of the Tiarella cordifolia?

The blossoms of Tiarella cordifolia exhibit a lovely white hue, adding a touch of elegance to this particular plant.

Is the Tiarella cordifolia hardy?

Tiarella cordifolia is indeed winter hardy. It can endure temperatures as low as -15.0°C to -9.4°C, placing it within the USDA hardiness zones 7b/8a. This indicates that Tiarella cordifolia is well-equipped to withstand the conditions of the winter months in suitable climates.

Is the Tiarella cordifolia evergreen?

Tiarella cordifolia is indeed an evergreen plant, meaning it maintains its foliage throughout the year, offering a consistent green presence in your garden or landscape.

What is the growth strength of the Tiarella cordifolia?

Tiarella cordifolia reaches its full height within a period of two to five years, indicating a moderate yet steady growth rate.

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