
How do you grow Campanula from seed?
They require full sun for best flower production and well-drained soil with moderate moisture. Once established, bellflower plants can tolerate periods of drought. Soil conditions for growing bellflowers can be in any pH range, including highly acidic. Campanula can grow from seeds or from rhizomes.
What is a Campanula?
Image by su neko. With their happy nodding heads, Campanula, or bellflower plants, are cheery perennial flowers. The plant is native to many regions where cool nights and moderate temperatures prevail, creating ideal conditions for growing bellflowers.
Can you grow Campanula in the UK?
Popular Varieties of Campanula Grown in the UK. There is a wide range of Campanula species and varieties available, from tall to dwarf height. C. moesiaca clusters of tiny bell-shaped flowers, in shades of blue, purple or white in mid to late summer. C. carpatica has large blue or white flowers in midsummer. Height: 3-4in (8-10cm).
How big does Campanula portenschlagiana grow?
Height x spread: 30cm x 30cm. Perfect for sunny or partially shaded, well-drained spots in the garden, Campanula portenschlagiana is a mat-forming perennial campanula that requires little attention. It looks fabulous growing in rock gardens or cascading over garden walls.

Where can bellflowers be found?
Bellflowers have characteristically bell-shaped, usually blue flowers, and many are cultivated as garden ornamentals. They are native mainly to northern temperate regions, Mediterranean areas, and tropical mountains.
Where is Campanula native?
eastern North AmericaCampanula americana, commonly called tall bellflower, is an upright annual or biennial that is native to moist open woods, moist meadows, streambanks and ditches in shady areas of eastern North America from New York and southern Ontario to Minnesota south to Florida, Alabama, Arkansas and Oklahoma.
Can Campanula be grown outdoors?
Campanula may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden in summer, or planted as a potted plant.
Do Campanula flowers come back every year?
Does Campanula Come Back Every Year? The perennial plants can grow back again every year, producing a mounding growth habit, and bell shaped purple flowers (as well as pink or white ) which are perfect for the cottage garden. As herbaceous perennials, they can be lifted, divided and transplanted.
Is Campanula native to UK?
There are Campanula species native to Britain, including the diminutive Harebell, Campanula rotundifolia, which can be found growing in chalk grasslands.
Where do campanulas grow in the UK?
Likes. You can grow campanula in a range of soils and situations, but they prefer moisture retentive free-draining soils (not too wet or not too dry) in sun or part shade.
Can Campanula survive winter?
Whether you're looking for a fun sprawling variety or simply a colorful flower that's low-maintenance and winter-hardy, Campanulas are a wonderful addition.
Is Campanula an annual or perennial?
perennialThe fairy bellflower, Campanula persicifolia, is an old-fashioned cottage garden perennial with showy, bell-shaped flowers held on dainty stems. A sheltered spot is best, in full sun or partial shade and moist, well-drained soil.
Do campanulas do well pots?
Campanulas prefer moist, well-drained soil, so plant your campanula in a pot with good drainage, filled with multi-purpose potting compost. Good light is essential. Most campanulas that are suitable for indoor growing tend to need at least 13 hours of sunlight a day all year round to develop flower buds.
How long do Campanula flowers last?
2-3 weeksBlooming for 2-3 weeks from late spring to early summer, this Bellflower does well in most soils but has a tendency to spread rapidly in rich soils. Ideal for beds and borders in cottage gardens. Campanula glomerata makes excellent cut flowers that last up to 2 weeks in a vase!
How tall do bellflowers get?
The perennial Bellflower gets its name from the flared bottoms of the flower blooms that give them the appearance of colorful bells. With varying plant heights that reach anywhere from 1- 6 feet (depending on the variety planted), these hardy plants make great additions to rock gardens and cottage gardens.
Is Campanula an evergreen?
An incredibly eye-catching Bellflower, Campanula 'Birch Hybrid' is a vigorous, low-growing, evergreen perennial with masses of erect, violet-blue, bell-shaped flowers from early summer to early fall. They rise above a trailing mound of small, fresh green leaves.
Is Campanula americana invasive?
Creeping Bellflower is a highly invasive flowering species. Ready-to-apply RoundUp is ineffective. Digging it out is relatively ineffective as well, since any little fragment of its taproot left behind will sprout a new plant.
Is Campanula a wildflower?
With its papery petals and delicate appearance, you might think the harebell a rather fragile wild flower. In fact, it's incredibly tough and resilient. It needs to be given the environment it grows in: the harebell is a wild flower of dry, open places from the bare slopes of hills to the windswept coast.
Is Campanula toxic to cats?
Toxicity. According to the California Poison Control System, bellflower plants of the Campanula species are not toxic to either pets or people.
Is Campanula good for bees?
Flowering plants such as Campanula produce pollen and nectar – nutrients for all bees. A wide diversity of plants rich in nectar (melliferous plants) in your garden will increase the bees' chances of survival. Choose melliferous plants that flower for a long time!
What color is a campanula?
If you’re looking for an easy-to-grow, ground-covering plant that’s winter hardy, cast your eyes towards the Campanula, which comes in colors such as blue-purple, pink, and white. They are one of Rozanne®’s most popular friends!
When do campanulas bloom?
The more direct sunlight Campanula receives, the more blooms it will produce! Campanulas’ long blooming period shows their best colors from late spring until the first frost occurs in early fall.
How to keep campanulas from tearing?
Trim dead heads to promote more blooms and prolong the flowering period. Always use small scissors or gardening shears when trimming Campanula to prevent tearing your flower stems.
Why are campanulas called bellflowers?
Campanulas are also known as Bellflowers because of their distinct, upturned bell-shaped flowers, and they’ve even been featured in the gorgeous Wimbledon gardens.
Is blue waterfall a perennial?
Campanula ‘Blue Waterfall’ is a perky purple perennial that’s a popular favorite for many reasons. Whether you’re looking for a fun sprawling variety or simply a colorful flower that’s low-maintenance and winter-hardy, Campanulas are a wonderful addition. I hope this article has helped you learn how to grow Campanula flowers.
Can you cut back a campanula?
Once winter comes, you can cut back your Campanula or let it remain as an over-winter habitat for birds. See this blog post for more information about creating a bird-friendly garden! Be sure to check for pests such as snails, slugs, and aphids who love to nibble on Campanula’s pretty leaves.
Can you buy Geranium Rozanne online?
If you’re not able to go garden shopping locally, there are also options for buying online. Click here to see a list of online suppliers of Geranium Rozanne and Friends® varieties!
How Fast Does Campanula Grow?
Perennial Campanula can take several years before they reach blooming size, as with most herbaceous perennials.
How Long Does Campanula Bloom?
Perennial Campanula has it’s bloom time, and like other perennials will generally bloom for shorter periods rather than all summer long. It will then return to the garden year after year, blooming at around the same time every year.
Is Campanula Invasive?
Campanula rapunculoides ( Creeping Bellflower) has been identified as an invasive species of Campanula, and should not be planted in the garden.
Is Campanula An Annual Or A Perennial?
Depending on the species, Campanula can be annual, biennial, or perennial.
What is a campanula?
Campanula is a massive genus including more than 300 species of mostly perennials, but also some annuals and biennials.
When do campanulas bloom?
Showy and long lived, Campanula lactiflora (Milky Bellflower) provides a stately presence in the garden with its tall, multi-branched stems producing hundreds of small lavender or white star-like flowers in open clusters from mid to late summer.
What is the best flower to grow in a rock garden?
One of the most deservedly popular of all Bellflowers, award-winning Campanula portenschlagiana (Dalmatian Bellflower) is a very vigorous, low-growing perennial forming evergreen mounds of flaring, bell-shaped, deep lavender flowers, 1 in. across (2 cm). Blooming freely in early to late summer, the abundant flowers are borne on branching stems above a spreading rosette of tiny, heart-shaped, mid-green leaves. This charming Dalmatian Bellflower is perfect for rock gardens, cascading over walls or raised beds. It will grow in crevices of a wall with a wonderful effect. Wonderful groundcover too!
What is a campanula glomerata?
Campanula glomerata (Clustered Bellflower) Vigorous, charming and eye-catching, Campanula glomerata (Clustered Bellflower) is a useful perennial that brings early color and contrast to the garden. It features bouquets of eye-catching, violet-blue to white, upward facing, bell-shaped flowers, held in dense clusters.
What zone do bellflowers grow in?
They are one of the treasures of the gardening world because of their diverse habit and bold flowers. Bellflowers are cold-hardy, mostly growing in Zones 4 to 8. They prefer cool summer climates and are generally intolerant of extreme heat. Growth habits varies across species and cultivars. Some are stately, tall garden plants which are excellent ...
When do bellflowers bloom?
Most Bellflowers offer a long season from late spring to late summer or early fall. Deadheading spent flowers will encourage additional blooms. Campanulas are relatively easy to grow. They perform best in full sun or part shade, in average, medium moisture, well-drained soils.
When do Dalmatian bellflowers bloom?
Blooming freely in early to late summer, the abundant flowers are borne on branching stems above a spreading rosette of tiny, heart-shaped, mid-green leaves. This charming Dalmatian Bellflower is perfect for rock gardens, cascading over walls or raised beds. It will grow in crevices of a wall with a wonderful effect.
What zone do campanulas grow in?
Campanula flowers are hardy plants suitable for growing in USDA zones 4 through 8. However, some of the hardiest bellflowers survive freezing temperatures in zone 3.
What is a campanula?
The clump-forming flowers grow as ground cover in full sun to partial shade, border plants, edging plants, or grow as cut flowers.
Why is My Campanula Plant Dying?
Overwatering is the main reason your campanula flowers are dying. Too much soil moisture causes leaves to develop soft spots or turn brown. If this is the case, hold off watering and increase light levels. However, if your plant doesn’t revive, you will need to dig it up and check for signs of root rot.
How to propagate campanulas?
How to propagate campanula flowers through division: In spring, dig around the clump of bellflowers and gently remove the whole plant from the ground. Then, separate the plant’s roots into two or three sections. Next, plant the separated sections in a sunny spot in your garden and water thoroughly.
Why are my campanulas turning black?
Most of the diseases affecting campanula flowers are related to irrigation techniques—either too much water or too little water. Overwatering bellflowers results in soggy soil, which leads to root rot. This will cause plant foliage to develop rusty-colored or black spots. You should remove infected foliage and destroy (not compost) the leaves.
How tall do campanulas get?
Although many varieties of campanula flowers are low-growing, some species can grow up to 6 ft. (1.8 m) tall. The dwarf and alpine bellflower varieties can be as short as 2” (5 cm) tall.
How to keep campanulas healthy?
However, the best way to prevent damage to plants is to ensure healthy growing conditions. Therefore, keep the soil moist, well-drained without being soggy, provide adequate sunlight, and ensure there’s enough air circulation between plants.
When do campanulas bloom?
Some of the common names of Campanula garden plants include Bellflower, Peach Bells, Harebell and Canterbury bells. They usually flower in the spring or summer.
What is the common color of campanulas?
One thing that Campanula plants have in common is that they all bear bell-like flowers, usually of blue or white.
How long does it take for bellflowers to germinate?
If growing bellflower and similar garden flowers from seed indoors, then they should be prepared about ten weeks before putting out. They require two to three weeks to germinate and should be grown in light at a temperature of between 15 and 20°C.
When do bluebells bloom?
They usually flower in the spring or summer. Harebell / Bluebell (Campanula rotundifolia) by Brewbooks. Peach leaved bellflower (Campanula persicifolia) by Suneko.
Do campanulas need water?
Campanula plant species such as bellflower and Harebell require feeding in spring and regular watering in dry periods. It is best to dead head Campanula flowers to maintain flowering. I hope that you enjoyed this guide on Campanula. You may also enjoy the following Gardener's HQ growing guides: How to grow Phyteuma and Platycodon plants.
Where do campanulas grow?
How to grow campanulas. Most campanulas grow naturally on chalky grasslands and woodland edges, which is fantastic news if you’re gardening on an alkaline soil. Campanulas require moist but well-drained soil – they tend to suffer in winter wet. Some thrive in sun while others tolerate shade.
What is a campanula?
Campanulas are a diverse group of plants, including small, creeping species and towering perennials. All have beautiful, usually blue, flowers, and most are attractive to pollinators. Campanulas are part of the Campanulaceae family, which also includes lobelias and isotomas.
How tall is a Campanula rotundifolia?
Campanula rotundifolia flowers from around midsummer to early autumn and is often visited by pollinating insects. Grow in sun or partial shade. Height x spread: 30cm x 30cm.
What is a portenschlagiana?
Perfect for sunny or partially shaded, well-drained spots in the garden, Campanula portenschlagiana is a mat-forming perennial campanula that requires little attention. It looks fabulous growing in rock gardens or cascading over garden walls.
What is the tallest bellflower?
Campanula latifolia. Commonly known as the giant bellflower, this spectacular species reaches a height of 120cm and looks stunning in partially shaded borders growing alongside ferns and other woodland perennials. Pictured is the variety ‘Alba’, which has white flowers, rather than the usual mid-purple flowers.
What is the most popular alpine plant?
Campanula carpatica is one of the most popular and easily grown alpine campanula species, having very large wide open flowers. Most varieties have white or blue flowers, borne from early to late summer.
What is a campanula glomerata?
Campanula glomerata is suited to relaxed herbaceous borders or cottage garden schemes, adding bursts of colour with the clusters of brightly-coloured flowers. You can also pick from a number of beautiful cultivars with pink or white flowers. Grow in moist, well-drained soil in full sun or partial shade.
How to harden campanulas before planting?
Before planting in the garden, campanula seedling plants need to be “hardened off”. Accustom young plants to outdoor conditions by moving them to a sheltered place outside for a week. Be sure to protect them from wind and hot sun at first. If frost threatens at night, cover or bring containers indoors, then take them out again in the morning. This hardening off process toughens the plant’s cell structure and reduces transplant shock and scalding.
How many pairs of leaves do you need to transplant a campanula plant?
If you are growing in small cells, you may need to transplant the seedlings to 3 or 4 inch pots when seedlings have at least 2 pair s of true leaves before transplanting to the garden so they have enough room to develop strong roots. Before planting in the garden, campanula seedling plants need to be “hardened off”.
What is mulch for perennials?
Mulches also help retain soil moisture and maintain even soil temperatures. For perennials, an organic mulch of aged bark or shredded leaves lends a natural look to the bed and will improve the soil as it breaks down in time. Always keep mulches off a plant’s stems to prevent possible rot.
Can I grow campanula in a container?
Can I grow campanula in a container? Yes, the smaller varieties are fine for containers.
Can campanulas be cut back?
Taller varieties make great cut flowers, and work well in borders or naturalized in a woodland garden. Cut back in fall after frost kills the foliage . Some campanula varieties self sow.
Can campanulas be planted outside?
Campanula may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden in summer, or planted as a potted plant.
Can I grow campanulas indoors?
Can I grow campanula indoors? We would not recommend growing campanula indoors, even the smaller varieties.
How do campanulas spread?
Because it stays relatively short, this type of Campanula makes a good edging plant along a walkway. It spreads via underground rhizomes, so it is an effective ground cover. When planted in less than ideal growing conditions, such as soil with poor drainage, it can be short-lived. The flowers are purplish or bluish and open from a bell to a star-shape at full bloom. Grow the 'Aurea' cultivar for golden foliage. The common name is a reference to the region where the plant is native, which was formerly called "Dalmatia."
Why are my campanulas purple?
The blooms have purple spots inside, thus the common name. It is more sensitive to the heat of summer than many types of Campanula, and thrives only in a narrow range of zones. While heat gives it trouble, this type of Campanula, can spread vigorously and may be too aggressive for more structured gardens.
What is milky bellflower?
Milky Bellflower (Campanula lactiflora ) The "milky" in this bellflower's name refers to the fact that it comes in white, in addition to shades of blue up to violet ( lactiflora is Latin for "milky flower"). This is another type of Campanula that dislikes hot weather, so it is not a suitable choice for the South.
What is the name of the bellflower that grows in the back row of a perennial garden?
Not to be confused with Campanula lactiflora, the species name for Campanula latifolia is Latin for "broad-leaved." This is another one of the tallest types of bellflower, so it works well in the back row of a perennial bed. Not only its height but also its deep purplish-blue flowers make it one of the showier types of Campanula for the garden. But it readily reseeds, a quality that, in some regions, may earn it the "pest" label. Check with your local extension office before planting.
When do bellflowers bloom?
They are planted in spring, and bloom time is often from late spring until nearly into autumn. While the flowers are not typically large, the plants in this genus are showy due to the abundance of their blooms. There is a Campanula well-suited to the needs of almost any Northern gardener since the genus offers a range of sizes and growth habits: There are tall bellflowers great for border plantings, but also bellflowers that stay short and function well as ground covers, edging plants, or rock garden plants, and other varieties in between. Bellflower generally performs best in well-drained soils of a neutral pH and with an average amount of moisture. Give bellflower full sun in the North but partial shade in the South.
What is the color of cochleariifolia?
For the species, flowers can be dark blue, lavender, or white. A popular sky-blue cultivar is 'Bavaria Blue.'. The species name of cochleariifolia refers to the shape of the tiny basal leaves, which some see as resembling little ears. Native Area: Alpine regions of Europe.
How tall is a bluebell?
In fact, the species name rotundifolia refers to its rounded basal leaves. But the overall plant is upright and can reach 20 inches tall or more.
What is a campanula?
Campanula. A group of traditional, old-fashioned, cottage garden plants. Covering a large genus of annuals, biennials and perennials. Most varieties have large star-shaped or bell-shaped flowers, in shades of blue, white and pink. A wide variety of forms are available, including alpine, spreading, clump-forming, trailing and tall uprights.
How tall is C. persicifolia?
C. persicifolia, single, harebell-like flowers in white and blue. Popular garden variety and a good self-seeder. Height: 3ft (90cm). C. latifolia (broad-leaved or giant bellflower) is a taller species than persicifolia, with large long bell or star-shaped flowers. Height: 4-5 ft (1.2 to 1.5m).
How tall is C. portenschlagiana?
C. portenschlagiana (syn C. muralis) (wall bellflower) is covered with masses of purple bell-shaped flowers flowers from June-September. Good for shade. Height: 4 in (10cm).
How tall is C. punctata?
C. punctata 'Rubriflora' a striking plant with long, hanging bells of flecked purple-pink. Height and spread: 1ft (30cm).
When do moesiaca flowers bloom?
C. moesiaca clusters of tiny bell-shaped flowers, in shades of blue, purple or white in mid to late summer.
