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Canterbury Bells

  From a Rosette of Leaves to Towers of Summer Bells A friendly guide to sowing, growing and enjoying Canterbury bells in Hungary.   Come Into the Garden With Me… Today, we're growing Canterbury bells. And this time, patience is part of the story. Canterbury bells are not usually the sort of flower we sow on Monday and expect to see blooming a few weeks later. They are traditionally biennials: the first season is mostly about roots and leaves, and the second is when those tall stems finally fill with bells. That may sound like a disadvantage in a world where we are used to instant results. I think it is part of their charm. You sow something tiny, care for a modest green rosette, help it through winter, and then one day the following spring it begins stretching upward as though it has been waiting all year for its moment. The flowers are unmistakable. Large bells in blue, violet, pink and white hang along sturdy upright stems. Some forms are simple bells; others have that wonderful 'cup and saucer' shape that makes the flower look almost too perfect to be real. For gardeners in Hungary, Canterbury bells can fit beautifully into cottage-style borders, cutting gardens and partly shaded beds where summer heat is not at its fiercest. They like sun or partial shade, but they appreciate soil that stays reasonably moist while still draining well. We'll go through the whole journey together: sowing, raising the first-year rosette, getting it through a Hungarian winter, watching the flower stems rise, cutting bells for the house, and deciding whether to save seed for the next generation. Ready? This is a flower that rewards gardeners who don't mind waiting a little. 1. Meet Canterbury Bells Canterbury bells are Campanula medium, a member of the bellflower family. The Latin name Campanula comes from a word meaning 'little bell', and with this plant you don't need much imagination to see why. The plant begins as a low rosette of green leaves. In its flowering year, upright leafy stems rise from that rosette and carry large bell-shaped blooms. Depending on the strain, the bells may be blue, violet, lavender, pink or white, and they can be single or double. A biennial - what does that mean? A biennial usually completes its life cycle over two growing seasons. In the first year, Canterbury bells mainly build roots and a leafy rosette. After experiencing winter, the plant flowers in the second year, sets seed and often finishes its life cycle. That first leafy year is not wasted time. The plant is building the foundation for the tall flowering display to come. How tall? Most Canterbury bells reach somewhere around 50-100 cm when flowering, so they are tall enough to give a border height without becoming enormous. Put them behind lower spring flowers or weave them between roses and other cottage-garden plants. GOOD TO KNOW Canterbury bells are usually grown as biennials. Full sun or partial shade suits them, and they prefer moist but well-drained soil. Their large blue, pink or white bells are also useful as cut flowers. 2. Finding the Right Place Before we sow, let's decide where these plants are going to spend quite a long time. Sun or partial shade? Canterbury bells grow in full sun or partial shade. In cooler climates, full sun is easy. In Hungary, where June and July can become intensely hot, a position with good morning sun and a little protection from the harshest afternoon heat can be very comfortable. Deep shade is not ideal; we still want enough light for strong flowering stems. Think bright rather than dark. Moist, but never swampy This plant likes a more even supply of moisture than drought-loving flowers such as blanket flower or yarrow. But that does not mean waterlogged soil. The best place holds some moisture while allowing excess water to drain away. If you have heavy clay that becomes sticky and saturated in winter, improve the structure or choose a slightly raised bed. Winter wet can be harder on many campanulas than winter cold itself. Give them room A flowering Canterbury bell is much larger than the tiny seedling you start with. Allow roughly 30-40 cm between mature plants so the rosettes have room and air can move around the stems. A COMMON MISTAKE Planting the first-year rosettes too close together because they look so small. Give them their future space now; crowded plants are harder to keep healthy and much less graceful when the flower stems arrive. 3. The Canterbury Bells We Grow With You Canterbury Bells are part of the Holland Kertészet seed range, and they fit this series beautifully because they teach one of gardening's most useful lessons: not every reward has to arrive in the same season. When you see a mixed packet of Canterbury bells, imagine a cottage-garden palette rather than one single colour. Blues and violets bring cool depth, pinks soften the planting, and white bells seem to glow in evening light. Single bells and cup-and-saucer forms Classic Canterbury bells have broad, open bells. Some forms, often called cup-and-saucer types, have an enlarged calyx beneath the bell, creating the look of a cup sitting on a saucer. Both belong in the same family story; the difference is simply the shape of the flower. Where I would put them I would grow them where I could see the whole stem: halfway back in a mixed border, beside a path, or in a small cutting patch. They look wonderful with foxgloves, roses, campanulas, poppies and airy fillers such as baby's breath. If you grow several, plant them in loose groups rather than one straight line. The bells look especially romantic when the stems rise through neighbouring plants. GROW WITH US When you sow Canterbury bells from the Holland Kertészet range, remember that the first season is the preparation and the second is the performance. We are not waiting for nothing - we are growing next year's flowers. 4. Let's Sow Canterbury bells are most traditionally sown in late spring or summer so they can build a rosette before winter and flower the following year. The easy biennial method In Hungary, sowing from late spring into early summer works well. Use a seed tray, modules, or a carefully prepared nursery bed. Sow the fine seed on the surface or cover it only very lightly; tiny campanula seed does not want to disappear under a thick layer of soil. Keep the compost evenly moist while germination begins, but not saturated. Bright light and moderate temperatures are helpful. If the weather turns fiercely hot, give young seedlings protection from scorching midday sun. Can I start earlier? Yes. Biennial campanulas can also be started under cover in late winter, and with an early enough start some may flower in the same year. For beginners, though, I prefer to explain the plant as a biennial. Then early flowers are a bonus rather than a promise. Once seedlings have several true leaves, prick them out or thin them so each has room to develop a sturdy little rosette. DON'T PANIC Nothing looks remotely like a bell yet? Perfectly normal. The first season is mostly leaves. A healthy, compact rosette is exactly what we want before winter arrives. 5. The First Year: Grow the Rosette This chapter is the secret of Canterbury bells. If you understand the first year, the second year makes much more sense. Keep them growing steadily Young plants need regular moisture while their root systems establish. During a hot Hungarian summer, check them often, especially in pots or nursery beds. Don't leave them bone dry for days, but don't keep them soaking wet either. A little afternoon shade can help young rosettes through the hottest weeks. Good airflow matters too, so thin crowded seedlings rather than trying to save every single one. Moving them to their final place By late summer or early autumn, sturdy plants can be moved to the positions where you want them to flower the following year. Water them in well and give them time to settle before winter. Handle the roots gently. We are not trying to disturb a plant that has spent months building its foundation. Do they need lots of feeding? No. Ordinary fertile garden soil with some compost is usually enough. Too much high-nitrogen feed can give you lush leafy growth when what we eventually want is flowers. WHAT I WOULD DO I would sow a few more plants than I think I need, then choose the strongest rosettes for the final border. Keep one or two extras in reserve in case a winter problem or a hungry slug removes a favourite. 6. Winter, Then the Big Change Autumn arrives. The garden quietens. Your Canterbury bells are still mostly low rosettes, and this is where trust comes in. Hungarian winter Campanula medium is quite hardy, so ordinary Hungarian winter cold is not the main concern. What I watch more carefully is drainage. A plant sitting in cold, saturated soil for weeks is far less comfortable than one in cold soil that drains properly. In exposed places, a light mulch around - not over - the crown can moderate sudden temperature changes, but don't bury the rosette under a wet blanket of material. Spring wakes everything up When temperatures rise, the rosette begins growing again. Then the change you have been waiting for happens: the centre starts to stretch and an upright flowering stem develops. Tall stems may appreciate support in a windy garden. A discreet stake placed early is much easier than trying to rescue a stem after a June thunderstorm has bent it sideways. Keep moisture even as buds form. A plant that has waited a year to flower deserves not to be abandoned during a dry spring. 7. When Something Goes Wrong Canterbury bells are not especially difficult, but a two-season plant gives us more time to encounter a few problems. The rosette rotted over winter Think drainage first. Heavy, saturated soil is a common culprit. Improve the site before replacing the plant rather than simply sowing another one into the same wet hole. The stems are weak or leaning Too much shade, overcrowding, rich feeding or wind can all contribute. Give plants enough light and space, and support tall stems early in exposed gardens. Slugs and snails Young rosettes can be attractive to slugs and snails. Check after rain and in the evening, especially while plants are small. Aphids Tender tips and flower buds can attract aphids. A small colony is much easier to manage than a large one, so include the stems in your regular garden walk. Leaves look spotted or mildewed Crowded, damp growth can encourage fungal problems. Improve airflow, avoid soaking the leaves unnecessarily, and remove badly affected material when appropriate. A COMMON MISTAKE Assuming every plant that disappears during winter was killed by cold. With Canterbury bells, wet soil and poor drainage can be just as important. Always look at the site before blaming the temperature. 8. And Then the Bells Open This is the moment that makes the waiting worthwhile. The buds swell along the stem, colour begins to show, and one by one the bells open. A mature stem can look almost architectural, but the flowers themselves are soft and romantic. In the garden Let some stems stay exactly where they are and enjoy them. Canterbury bells are wonderful viewed from the side, where you can see the row of bells along the stem rather than just looking down from above. Blue and violet bells are beautiful beside pale roses. Pink forms work with white foxgloves. White Canterbury bells can brighten a partly shaded corner without needing strong colour. For the vase Canterbury bells are useful cut flowers. Cut when several bells on the stem are open but there are still buds left to develop. Use clean secateurs and place the stems promptly in clean water. Remove foliage that would sit below the waterline. Tall stems are lovely in a simple vase where their natural shape can do the arranging for you. TRY THIS Cut three Canterbury bell stems at slightly different heights and place them in a tall, narrow vase. Add one soft filler such as baby's breath. You don't need a complicated bouquet - the bells already provide the structure. 9. After Flowering: Seed or Second Flush? When individual bells fade, you have a choice. Deadhead for tidiness Removing faded flowers keeps the plant looking neat and may encourage a little more flowering while conditions remain suitable. If you want the longest possible display, don't let every flower go straight to seed. Leave some for seed If you want future generations, leave several healthy flower stems alone. Seed capsules develop where the bells were. Allow them to mature and dry before collecting seed on a dry day. Store thoroughly dry seed in a labelled paper packet somewhere cool and dry. Because mixed strains may cross, saved seed can give you surprises - which, in a cottage garden, is often part of the fun. Will the original plant come back? Sometimes a plant behaves as a short-lived perennial, but don't build your plan around that. The safest way to keep Canterbury bells in the garden is to sow a fresh batch each year or allow some plants to self-seed. If you sow a small batch every summer, you can create a rhythm: first-year rosettes growing quietly while second-year plants are flowering nearby. 10. Your Canterbury Bells Cheat Sheet Let's put the two-year story into one simple path. Choose Canterbury bells, Campanula medium, for tall summer stems of blue, pink or white bells. Remember that they are usually biennials: leaves first year, flowers second year. Grow them in full sun or partial shade. In hot Hungarian gardens, protection from fierce afternoon sun can be useful. Use moist but well-drained soil; avoid winter waterlogging. Sow from late spring into summer for flowering the following year. Cover the fine seed only very lightly and keep it evenly moist while germinating. Thin or prick out seedlings so the rosettes have room to develop. Water young plants during hot, dry weather while they establish. Move sturdy rosettes to their final positions by late summer or early autumn. Give mature plants roughly 30-40 cm of space. Watch winter drainage more carefully than winter cold. Support tall stems early if your garden is windy. Check rosettes and buds for slugs, snails and aphids. Cut flower stems when several bells are open and more buds remain. Deadhead for tidiness, but leave some flowers if you want seed. Save dry seed or allow a little self-sowing. Sow a new batch each year if you want Canterbury bells flowering every summer. If You Remember Only Five Things… 1. Canterbury bells ask for patience They are usually biennials. The first year builds the plant; the second gives you the bells. 2. Moist does not mean waterlogged They appreciate even moisture, especially while young, but good drainage matters through a Hungarian winter. 3. Sun or light shade both work In the hottest parts of Hungary, some afternoon protection can keep the plants happier and the flowers fresher. 4. Give the rosette space That small first-year plant will become a tall flowering clump. Don't crowd it now and regret it later. 5. Sow again before you forget If you want bells every year, sow another batch while this year's plants are flowering. Biennial gardening becomes easy once you create the rhythm. One Last Walk Around the Garden Do you remember where we began? With seed so small that it was difficult to imagine anything tall coming from it. We sowed it. Watched tiny leaves appear. Raised a rosette through the heat of a Hungarian summer. Found it a permanent place. Then autumn came, winter covered the garden, and for months the plant seemed to be doing almost nothing. But it wasn't doing nothing. It was waiting. Then spring returned. The centre of the rosette lifted. A stem appeared. Buds formed. And suddenly the plant that had spent a whole season close to the ground was standing nearly a metre tall, covered in bells. That's the lovely thing about biennials. They slow us down just enough to notice that a garden isn't only about what flowers today. Some things are for next spring. Perhaps your bells will be blue. Perhaps pink. Perhaps white. Maybe they'll stand beside roses in a garden near Lake Balaton, or brighten a partly shaded border in Budapest, Pecs or a small village garden somewhere across Hungary. Wherever they grow, you'll know what happened before the flowers arrived. You'll remember the rosette. The winter. The waiting. And when someone asks why you bothered growing a flower that takes so long, you can simply point to the bells. Some answers don't need explaining. Enjoy them. Cut a few. Leave a few for seed. And before the season gets away from you, sow next year's plants. Then, when you're ready for another flower… Come into the garden with me.