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Rebecca™ Clematis (Clematis ‘Evipo016’)
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Perennial climbing plants
Ranunculaceae
Large-flowered red clematis
Pépinière.ca
Sold as Climbing Plants
Common nameRebecca clematis
FamilyRanunculaceae
GenusClematis
CultivarEvipo016 (Rebecca)
Plant typePerennial climbing plants
Botanical nameClematis ‘Evipo016’
Rebecca™ Clematis (Clematis ‘Evipo016’) is a deciduous climber bred by Raymond Evison and named for his eldest daughter. Its large single flowers, measuring 15 to 20 cm across, display a deep vibrant red with creamy anthers. Under some less sunny conditions, the colour may appear more burgundy, while strong sunlight usually intensifies the red. Abundant flowers and saturated colouring create a striking focal point on a trellis, arch, pergola or beside an outdoor living area. Green foliage provides a calm background that keeps every flower clearly visible throughout summer outdoors.
Rebecca generally reaches approximately 180 cm, with a potential ultimate range of 150 to 250 cm depending on conditions, and spreads 50 to 100 cm. It accepts full sun or partial shade, but flower colour is usually strongest in sun. Plant it in fertile, moisture-retentive yet well-drained soil, setting the crown 5 to 8 cm below the surface. Install stable support at planting so leaf stalks can grasp it. Light mulch keeps roots cool without covering the crown, while deep watering supports large flowers during hot and dry summer weather.
Flowering extends from early summer to early fall. For easy pruning, the breeder recommends cutting every stem back to approximately 15 cm in late winter or early spring. Light Group 2 pruning can also retain stems for earlier flowers. After the first flush, maintain even moisture and feed moderately to support repeat bloom. Every clematis is toxic when eaten, and sap may irritate sensitive skin; wear gloves during pruning and keep cut plant parts away from children and pets. Inspect support ties as stems lengthen and loosen them before they constrict growth.
In the garden
- Exposure
- Full sun to partial shade; red colour is generally strongest in sun
- Life cycle
- Vivace
- Hardiness
- Zone 4 to 9
Planting guide
Planting & establishment
Planting period
Spring or early fall
Growing method
Plant Rebecca™ in fertile, organic-rich, moisture-retentive yet well-drained soil in full sun or partial shade. Set the crown 5 to 8 cm below the surface and immediately install a smaller trellis, obelisk or fine wires. Water deeply whenever the surface begins to dry, then add light mulch without covering the crown. Fan out new shoots while they remain flexible and loosen ties as stems thicken. In late winter or early spring, cut every stem back to approximately 15 cm above healthy buds. Add mature compost in spring and feed moderately without excessive nitrogen. Watch for slugs, aphids and sudden wilting. Check container moisture more often, shelter the pot from strong wind and protect it from repeated freeze-thaw cycles. After the first bloom, maintain even moisture to support repeat flowering rather than shortening fresh stems severely. Beside a wall, position the crown away from the foundation so rainfall reaches the roots. After windy weather, redirect loose shoots before they break. Leave several feathery seed heads in fall, then stop feeding so stems can mature before cold weather. Remove fallen diseased leaves, inspect drainage after prolonged rain and never leave a container standing in water. Resume spring watering gradually as buds swell, and protect tender shoots from severe late frost and slug damage.
Soil and care
Soil & care
Care level
Intermediate
Watering
Water deeply and regularly during establishment so the root ball stays evenly moist without becoming saturated. In hot weather, check containers and plants growing beside walls more often because these sites dry quickly. Direct water toward the base instead of wetting foliage. Established clematis still perform best with consistent moisture and should not be treated as highly drought tolerant, especially while actively extending and flowering.
Soil type
Fertile, organic-rich soil that holds moisture yet drains well suits Rebecca™. Loam, clay, sand or chalk-based soil can work when excess water drains effectively. Mature compost improves moisture retention without leaving the crown waterlogged. Avoid sites where winter water collects, and keep the root zone cool during summer. Beside a wall, position the crown far enough from the foundation for rainfall to reach the roots instead of disappearing beneath an overhang.
Fertilization
In spring, add mature compost or apply a balanced fertilizer according to label directions. A second light feeding after the first flush can support Rebecca™ repeat bloom. Avoid excessive nitrogen, which encourages foliage at the expense of flowers. Water before and after feeding, then stop fertilizing early enough for stems to mature before winter. In containers, use smaller applications when needed because nutrients leach more quickly with frequent watering.
Seasonal care
In late winter or early spring, cut every Rebecca™ stem back to approximately 15 cm above soil level, just above vigorous buds. Wear gloves and use clean pruners because clematis sap may irritate skin. Remove debris, inspect the support and replace worn ties before growth resumes. In spring, add mature compost and renew light mulch without covering the crown. Fan out new shoots while they remain flexible. Water deeply whenever the surface dries, especially in containers. Moderate balanced feeding supports flowering, whereas excessive nitrogen mainly produces foliage. After the first flush, keep soil consistently moist to encourage repeat bloom. Watch for slugs, aphids and sudden wilting. Stop feeding in fall and leave several feathery seed heads for texture. In cold regions, insulate containers and prevent winter water from collecting around the crown. During prolonged rain, inspect drainage and remove diseased leaves that have fallen onto the soil. After windy weather, redirect loose shoots before they break. If growth becomes excessively dense, thin several weak stems instead of shortening the entire plant while buds are forming. Spent flowers may be removed for a tidier appearance, but leave several if feathery seed heads are desired. Check moisture beneath mulch rather than judging only its dry surface. As spring returns, resume watering gradually and protect tender shoots from slugs and severe late frost. Container plants may warm and begin growth earlier than garden plants, so continue monitoring exposed stems during rapid temperature changes. Rotate the pot occasionally for balanced light and confirm that drainage remains open after every extended wet period.
Container growing
Container growing
Recommended pot size
At least 50 cm (20 in) deep and wide
Rebecca™ is especially well suited to containers because it remains approximately 180 cm tall. Use a frost-resistant pot at least 50 cm deep and wide with several drainage holes. Install a stable obelisk before planting, then fill the container with rich potting mix that holds moisture without remaining waterlogged. Set the crown slightly deeper than it grew in the production pot. Water slowly until excess drains freely, then check moisture daily during hot weather. A thin mulch layer limits evaporation without trapping water against stems. Feed moderately in spring and after the first flush. Before winter, move the pot to a sheltered location, insulate its sides and raise it so drainage remains open. In spring, replace the upper layer of mix and confirm that the support remains stable before new shoots lengthen. Rotate the pot periodically so all shoots receive balanced light. Never leave the container standing in a water-filled saucer, and check that drainage holes remain open after prolonged rain. During summer, water preferably in the morning and direct moisture toward the potting mix rather than foliage. A thin layer of compost in spring renews organic matter without reducing watering space. Loosen ties that begin marking stems, and remove any suddenly wilted shoot promptly with disinfected tools. Shelter large flowers from severe wind, and keep the crown visible so new spring growth can be monitored easily.
Size, flowering & harvest
Mature height
Approximately 180 cm (6 ft), with 150 to 250 cm potential
Flower color
Deep vibrant red, sometimes burgundy, with creamy anthers
Foliage color
Medium green, deciduous
Foliage type
Deciduous
Growth habit
Compact, dense and bushy climber
Bloom period
Rebecca™ produces large single deep-red flowers 15 to 20 cm across, centred with creamy anthers. Colour is generally strongest in sun and may appear burgundy under certain conditions. Flowering begins in early summer and continues into early fall. Suitable pruning, consistent watering after the first flush and moderate feeding support repeat bloom without encouraging excessive foliage growth. throughout the season.
Garden associations
Companion plants & uses
Companion plants
Pair Rebecca™ with low perennials that shade the soil lightly without invading the crown, such as coral bells, hardy geraniums, catmints or small ornamental grasses. Burgundy foliage repeats the deep-red sepals, while dark-green leaves emphasize vibrant red. White or pale-pink annuals in neighbouring containers extend the palette. Keep clear space around the base for watering, air circulation and pruning. Avoid vigorous plants or aggressive roots that could reduce available moisture or hide emerging clematis shoots in spring. Choose companions with similar light needs.
Garden use
Grow Rebecca™ on a sturdy trellis, arch, lower pergola or in a large container fitted with an obelisk. Its usual height of approximately 180 cm keeps vibrant-red flowers near eye level while allowing stems to weave through an airy established shrub. Sunny exposure generally produces the strongest colour; partial shade remains suitable, with flowers sometimes appearing more burgundy. A grey wall, dark fence or silver foliage emphasizes the red and creamy anthers. Position the crown away from a dry foundation so rainfall reaches the roots. Keep the base accessible for deep watering, mulch renewal and annual pruning. On a balcony or terrace, anchor support securely and shelter the large blooms from severe gusts. In a border, use low perennials around the root zone without covering the crown. Guide young stems with soft ties and confirm that they do not block a walkway. Deciduous foliage makes support inspection easy in winter. Wear gloves during maintenance and collect cut stems because clematis is toxic when eaten and sap may irritate sensitive skin. Check ties regularly as vigorous stems lengthen during warm weather. Nearby low plants can shade the soil while preserving airflow and access to the crown.
Garden inspiration
Create a warm focal point with a large charcoal container and black obelisk. Fan out Rebecca™ shoots so vibrant-red flowers cover the support without excessive overlap. Add lime coral bells, a small silver artemisia or hardy geraniums below without hiding the crown. Their foliage contrasts with deep red and highlights the creamy anthers. In a border, place two matching supports on either side of a bench or entrance for a symmetrical composition. A grey wall or dark-green fence also provides an effective background. Renew the display every spring after pruning by directing fresh shoots toward open sections. Keep the base clear enough to observe buds, water deeply and remove any suddenly wilted stem promptly. White annuals in neighbouring pots add crisp contrast without creating permanent root competition. Late-day light reveals the depth of red particularly well, while subtle nearby lighting can extend enjoyment beside an outdoor dining space after sunset without warming the root zone or interfering with climbing stems.
Frequently asked questions
Frequently asked questions
How should Rebecca clematis be pruned?
In late winter or early spring, before active growth resumes, cut every Rebecca™ stem back to approximately 15 cm above soil level, just above healthy buds. This short pruning renews the compact habit and stimulates flowering shoots from the base. Use clean pruners, wear gloves and collect debris because clematis sap may irritate skin. Inspect the smaller trellis or obelisk afterward and replace worn ties. When new stems appear, spread them in a fan and tie them loosely before they intertwine. Add light mulch without covering the crown, then resume consistent watering as growth accelerates and flowering shoots begin covering the support.
What flower colour does the clematis Rebecca produce?
Rebecca™ produces large single flowers measuring 15 to 20 cm across in a deep, vibrant red. Broad sepals surround creamy anthers that create clear contrast at the centre. Under some less sunny conditions, colour may appear burgundy; strong sunlight generally produces the brightest red. Train the plant where flowers remain visible near eye level and shelter the blooms from severe drying wind. Deciduous green foliage provides a calm background that intensifies the colour. Companion plants with silver, dark-green or lime foliage can strengthen contrast without competing heavily for root moisture. The saturated blooms also remain highly visible when viewed from nearby seating areas.
Does Rebecca clematis suit containers?
Yes. Rebecca™ suits a large frost-resistant container at least 50 cm deep and wide, fitted with several drainage holes and a stable obelisk. Its usual height of approximately 180 cm creates a strong vertical display on a terrace or beside an entrance. Use rich potting mix that retains moisture without remaining waterlogged. Set the crown slightly deeper than it grew in the production pot, then water until excess drains freely. Check moisture daily during hot weather. In winter, shelter the container from wind, insulate its sides and raise it to prevent standing water and repeated freeze-thaw cycles around the roots.
What site suits Rebecca clematis?
Choose full sun or partial shade, favouring good light for the strongest red colour. Rebecca™ accepts different aspects, although flowers may appear more burgundy under some less sunny conditions. Soil should be fertile, moisture-retentive yet well drained. Position the crown 30 to 60 cm away from a foundation so rainfall reaches the roots. Light mulch or a low companion keeps the root zone cool without covering the crown. Install a trellis, arch or obelisk before planting and preserve easy access to the base for watering and annual pruning. Good air circulation helps foliage dry after rain. around crowded climbing stems.
Is Rebecca clematis toxic?
Yes. Like other clematis, Rebecca™ contains protoanemonin and is toxic to dogs, cats and horses when eaten. Ingestion can cause salivation, vomiting and diarrhea. In people, plant material may cause severe mouth irritation, while sap can irritate sensitive skin. Wear gloves for pruning, wash exposed skin and never present any part as edible. Position the plant away from young children and pets that chew garden plants, and collect cut stems promptly after maintenance. If ingestion occurs or symptoms appear, contact an appropriate medical professional or veterinarian promptly. Do not attempt home treatment unless a qualified professional provides specific instructions for the situation.
Wildlife and pets
Wildlife & precautions
Reported toxicity
Yes
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