Bellflowers perform best in USDA plant hardiness zones 4 and up but may grow in zone 3 with some protection. They are cold hardy plants that are useful specimens in areas with hard winters. They require full sun for best flower production, and well-drained soil with moderate moisture.
Growing to heights ranging from 3″ to 30″, there is a Campanula for almost every garden situation, from the front of the rock garden to the back of the perennial border. Light/Watering: Most varieties will do well in full sun or light shade, the latter vital in the South for all but C. persicifolia and C. pyramidalis.
Secondly, is Campanula an outdoor plant? Outdoor Plants – Campanula. The Italian Bellflower is one of the best of all summer-flowering trailing plants. For generations it has been grown on windowsills and sideboards, its long grey-green stems tumbling down the side of the pot. During the summer these stems bear a profusion of small star-shaped flowers.
Also asked, how do you plant a Campanula?
Sowing Campanula Directly in the Garden:
- After danger of frost, select a location in full sun to light shade with good, rich, moist, organic, well-drained soil.
- Remove weeds and work organic matter into the top 6-8 inches of soil; then level and smooth.
- Sow seeds evenly and thinly and barely cover with fine soil.
What to do with campanula after flowering?
Summer Cleanup. If the campanula flowers a second time, you can cut it back again after it finishes flowering. Cut back severely, removing all the stems down to the basal foliage, the leaves closest to the ground and crown of the plant. Avoid cutting into the crown, because this can kill the campanula.
Are campanulas Hardy?
Campanula is a massive genus including more than 300 species of mostly perennials, but also some annuals and biennials. 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.
Do campanulas spread?
Bellflower Plants Campanula is a group of over 300 annual, biennial and perennial plants that span several sizes and colors. The plants will spread over the seasons and the lower growing varieties make excellent ground cover.
How do you keep Campanula blooming?
Plant purple bellflowers in full sunlight and cut back tall plants or move large structures that create shaded conditions around them. Maintain moist, aerated, well-drained soil. Fertilize campanula plants with a general purpose fertilizer, such as 5-10-10, once in the spring and once again in the middle of summer.
How fast does Campanula spread?
Sounds like it might be Campanula carpatica. Comes in blue and white forms. It does spread pretty quickly, one plant will spread to a circle up to 18 inches, even 2 feet across in one season.
Why is my Campanula not flowering?
Campanula With No Flowers – Knowledgebase Question. Lots of foliage at the expense of flowers is usually due to an abundance of nitrogen. In general terms, nitrogen produces lush green growth, phosphorous helps strengthen stems and produce flowers, and potassium keeps the root system healthy.
Can Campanula be grown in pots?
Campanula loves well drained soil, so add lots of grit if you are planting in the ground or in pots. Grow in a soil that is not too dry in sun or semi-shade.
Is Campanula an evergreen?
Vigorous and fast-spreading, Campanula Portenschlagiana, also known as Campanula Muralis, is a low-growing perennial which forms a dense, evergreen mat of foliage adorned with a mass of bell-shaped violet coloured blooms.
How tall does Campanula grow?
Tall Varieties Height: 1.5 to 3ft (0.5-1m).
How often should I water my Campanula?
The soil should be kept evenly most but not too soggy. The water you use should also be room temperature and, if you use tap water, allow the water to sit for 24 hours in order to remove as many chemicals as possible. Feed your plant with a liquid fertilizer every 12 days during the growing period.
How do you deadhead Campanula?
Deadheading will prevent the flowers from forming seeds, forcing them to produce more flowers. Look for fading flowers that are shriveling and losing their color color. Cut the fading flower off at the lateral bud with hand pruners or pinch it off using your index or middle finger and your thumb.
Will deer eat Campanula?
Campanula Culture Although campanula are deer-resistant in most cases, deer will eat just about anything if they are hungry enough. If you have deer in your area and food is scarce, consider protecting your campanula with deer deterrent. In addition, keeping your plant healthy will help it survive a nibble or two.
When can you transplant Campanula?
Transplant “Blue Chip” campanula after the tops die down in autumn or before new growth appears in early spring. Prepare the new planting location by spading the soil to a depth of 8 to 10 inches. Cut the plant to the ground if you’re transplanting in autumn and the tops haven’t yet died down.
Can you grow Campanula from seed?
Growing campanula from seed is easy; but if you’re planting seeds for campanula propagation, you’ll need to do so at least eight to ten weeks prior to spring. Since the seeds are so small, they barely need covering. You can also scatter the seeds directly into the garden and gently rake some soil over them.
Can you grow Campanula indoors?
Campanula flower is easy to grow indoors. It only demands cool air, moist soil and indirect sunlight. Treat it right and you can expect masses of these violet-blue flowers to bloom in mid-to-late summer right through fall.