Boscobel

Boscobel - Complete Rose Growing Guide

Boscobel

Complete Rose Growing Guide – English (David Austin) David Austin English Rose
📖 18 min read
English (David Austin) • David Austin English Rose
Boscobel botanical illustration English (David Austin) rose botanical illustration English (David Austin)
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David Austin English Rose
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English (David Austin)
Salmon/Apricot
Strong Fragrance
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David Austin (2012)
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USDA Zones 5–9
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Awards
AGM

Introduction & History

Named for Boscobel House, the Shropshire mansion where King Charles II famously hid from Parliamentarian soldiers in an oak tree after the Battle of Worcester in 1651, 'Boscobel' is an English Rose of remarkably refined beauty. Introduced by David Austin in 2012, she produces perfectly formed rosette blooms of salmon-pink with a warm apricot undertone, each flower a masterpiece of symmetrical petal arrangement that opens gradually from a neatly scrolled bud. The fragrance is complex and delicious, blending notes of myrrh, hawthorn, and elderflower with a warm pear undertone. Boscobel's upright, relatively narrow habit makes her unusually versatile in garden design, fitting into smaller spaces and narrower borders than most English Roses of similar vigor. She represents the modern pinnacle of David Austin's quest to create roses that combine old-world beauty with new-world practicality.

Family: Rosaceae
Genus: Rosa
Class: David Austin English Rose
Group: English (David Austin)
Breeder: David Austin
Introduced: 2012

Breeding History

Bred by David Austin and introduced in 2012. Registration name 'AUScousin'. Exact parentage is proprietary. Named for Boscobel House in Shropshire, a seventeenth-century hunting lodge and secret Catholic hideout where the future King Charles II concealed himself in September 1651. The house and its famous Royal Oak are now managed by English Heritage and lie near the David Austin nursery. Received the Royal Horticultural Society's Award of Garden Merit.

Botanical introduction Vintage botanical illustration introducing Boscobel Botanical Plate Boscobel David Austin, 2012

Flower Form & Fragrance

Flowers are fully double with 78 petals, opening from neat, scrolled buds into perfectly formed rosette blooms 8-9 cm across. Color is salmon-pink with warm apricot undertones, deeper at the center. The petal arrangement is extraordinarily symmetrical and precise. Blooms are borne singly and in small clusters of 3-5. Fragrance is strong and complex, with distinctive notes of myrrh, hawthorn blossom, and elderflower, grounded by a warm pear-like fruitiness. A distinctive and memorable scent.

Flower anatomy Cross-section showing petal arrangement and structure of Boscobel Flower Anatomy Outer petals Inner petals Stamens Pistil Receptacle Scent Profile Top notes Heart notes Base notes

Garden Design & Uses

Boscobel's upright, narrow habit makes her ideal for smaller gardens, narrow borders, and formal plantings where space is limited. She works beautifully in a row along a path or as a low hedge. The warm salmon-apricot coloring pairs well with bronze, copper, and soft orange companions. Excellent with heucheras, geum, and soft-toned achillea. Plant in groups of three or five for a refined, cohesive display. Her upright form provides architectural structure in mixed borders.

Garden design Landscape design layout featuring Boscobel in a garden setting Garden Design Layout Companion Planting Roses (focal point) Lavender (border) Catmint (edging) Boxwood (structure) Marigolds (pest deterrent)

Growth Habit & Hardiness

An upright, relatively narrow shrub reaching 120-130 cm tall and 75-85 cm wide. The upright habit is narrower than most English Roses, making Boscobel unusually space-efficient. Growth is strong and well-branched. Foliage is mid-green, semi-glossy, and healthy. Young growth has a bronze tint. Thorns are moderate. The upright stems support the flowers well without excessive nodding. Growth is steady and builds a good framework over two to three years.

Climate & Hardiness

Hardy in USDA zones 5b-9b. Good cold tolerance with appropriate winter protection. Heat tolerance is good — the salmon-apricot coloring remains attractive in warmer conditions. Rain tolerance is moderate; the very full blooms can occasionally ball in prolonged wet weather. Performs well in temperate and warm-temperate climates. The fragrance is most pronounced in warm, still conditions.

Growth habit Root system and growth form diagram of Boscobel Growth Habit & Root System Soil line Graft union Size Guide Tall Medium Compact Spread

Seasonal Care Calendar

Monthly Care Intensity Chart WaterFeedSprayJanFebMarAprMayJunJulAugSepOctNovDec12345

🌱 Spring (Mar–May)

Water: Moderate
Feeding: Regular feeding
Spray: Regular spray program
Prune in March. Feed and mulch. Enjoy the bronze-tinted new growth.

☀️ Summer (Jun–Aug)

Water: Heavy
Feeding: Regular feeding
Spray: Regular spray program
Deadhead precise rosette blooms. Liquid feed fortnightly. Water in dry spells.

🍂 Autumn (Sep–Nov)

Water: Moderate
Feeding: No feeding
Spray: No spraying
Potash feed in September. Late blooms are often the most perfect. Leaf cleanup.

❄️ Winter (Dec–Feb)

Water: Light
Feeding: No feeding
Spray: No spraying
Protect bud union. Minimal care. The upright structure is tidy through winter.

Planting & Container Growing

Prefers rich, well-drained soil with pH 6.0-6.8. Amend with compost and well-rotted manure. Plant with bud union 5-8 cm below soil in cold climates. Space 75-85 cm apart — closer than most English Roses owing to the narrow habit. Mulch generously each spring. Good drainage is important. The upright habit means she can be planted closer to paths without encroaching.

Container Growing

Feasibility: Good. The upright, narrow habit makes Boscobel well-suited to containers. Use a pot at least 45 cm diameter and deep. Rich, loam-based compost with added perlite for drainage. Water regularly and feed fortnightly with liquid rose food. The upright form looks elegant in a formal container setting. Excellent for patios and courtyard gardens. Protect from hard frost in winter.

Seasonal Care & Pruning

Spring: Prune in March, removing dead and weak growth. Shorten stems by one-quarter to one-third. Apply balanced granular feed and thick mulch. Summer: Deadhead spent blooms regularly. Liquid feed fortnightly. Water in dry periods. The perfectly formed blooms deserve close attention. Autumn: Apply potash feed in September. Late season blooms are often especially well-formed. Clean up fallen leaves. Winter: Mound compost over bud union. The narrow habit means winter tidying is simple.

Common Mistakes to Avoid

1) Planting too far apart — her narrow habit means she benefits from closer spacing than most English Roses. 2) Hard pruning — moderate annual pruning gives the best results. 3) Neglecting to deadhead — the very full blooms look untidy when spent. 4) Underfeeding — the profusion of 78-petal flowers demands generous nutrition. 5) Not appreciating the fragrance — plant close to paths and seating to enjoy the complex scent.

Pruning guide Pruning technique diagram for Boscobel Pruning & Seasonal Care Correct Pruning Cut 45° Bud eye ~6mm When to Prune 🌱 Spring (main) ☀️ Summer (light) 🍂 Autumn (cleanup) ❄️ Winter (dormant)

Propagation

Patented David Austin variety. Semi-ripe cuttings in summer have moderate success (50-60%). The upright habit is maintained in cutting-grown plants. Budding onto Rosa laxa rootstock is the commercial standard. Own-root plants are viable and maintain the compact, upright character. Difficulty: Moderate.

Propagation methods Cutting and budding diagram for propagating Boscobel Propagation Methods Hardwood Cutting 20–25 cm cutting T-Budding 1. T-cut 2. Insert bud 3. Bind & seal Mid-summer on rootstock

Diseases & Pests

Good disease resistance. Some susceptibility to black spot in wet climates but generally healthier than older English Roses. Powdery mildew can occur in humid conditions. The full, 78-petal blooms may ball in cool, wet weather, though less frequently than some other very double roses. Aphids on new growth in spring. A preventive spray program is advisable in damp climates but may not be needed in drier regions.

Disease identification Common diseases and pests affecting Boscobel Common Diseases & Pests Black Spot Diplocarpon rosae Powdery Mildew Podosphaera pannosa Aphids Macrosiphum rosae

Cut Flowers & Exhibition

Cut when the scrolled bud is beginning to open into the rosette form. The precisely formed flowers are stunning in arrangements. The complex fragrance is distinctive and long-lasting indoors. Condition in warm water. Vase life is 6-7 days. The salmon-apricot tones complement warm-toned interiors beautifully. Individual blooms are works of art.

Collector & Exhibition Notes

Available from David Austin Roses. The extraordinarily precise rosette form makes Boscobel a strong contender in exhibition classes. The symmetry and petal count (78) are exceptional. The complex fragrance adds judging points. A relatively recent introduction (2012) that is establishing a strong reputation. The historical naming adds interest and conversational value.

Comparison with Similar Roses

Compared to 'Lady of Shalott' (a similar warm-toned Austin), Boscobel has more precisely formed flowers but is narrower in habit and less disease-resistant. Against 'Port Sunlight', Boscobel is more compact and better suited to smaller gardens. 'Crown Princess Margareta', another warm-toned Austin, is much larger and better as a climber, while Boscobel is more suitable for compact border plantings.

Cut flower care Vase arrangement and cutting technique for Boscobel Cut Flower Guide Cutting Tips 45° • Cut in early morning • 45° angle cut • Remove lower leaves • Cool water immediately • Floral preservative • Change water every 2 days • Keep away from fruit

Heritage & Conservation

Boscobel is a contemporary variety (2012) that is commercially secure and widely available. Boscobel House and its grounds are maintained by English Heritage as a heritage site. The rose adds a horticultural dimension to the preservation of this historical location. Planted in David Austin display gardens and increasingly in heritage and historical gardens. No conservation concerns.

Cultural Significance

Boscobel connects the English Rose tradition to a pivotal moment in English history — the flight of Charles II after the Battle of Worcester and the eventual Restoration of the monarchy. The story of the king hiding in an oak tree has been celebrated in English culture for centuries, and the Royal Oak remains one of the most popular pub names in Britain. This rose keeps the story alive while embodying the English Rose ideal of beauty, fragrance, and historical resonance.

Frequently Asked Questions

What is special about Boscobel's flower form?

The rosette blooms have extraordinarily symmetrical petal arrangement, with 78 petals packed in precise concentric rings. This level of precision is rare in roses and gives each bloom the quality of a hand-crafted work of art.

What is the myrrh note in the fragrance?

The myrrh note is a distinctive sweet, slightly anise-like quality found in certain English Roses. In Boscobel, it blends with hawthorn blossom, elderflower, and pear for a uniquely complex fragrance profile.

Is Boscobel suitable for a narrow border?

Yes, excellent. Her upright, relatively narrow habit (75-85 cm wide) makes her one of the best English Roses for narrow borders, along paths, and in limited spaces where wider-growing varieties would not fit.

What is Boscobel House?

Boscobel House is a seventeenth-century hunting lodge in Shropshire where King Charles II hid from Parliamentarian soldiers in 1651. He famously concealed himself in an oak tree in the grounds. The house is now managed by English Heritage.

How does Boscobel compare to Olivia Rose Austin?

Both are compact, modern Austin roses. Olivia Rose Austin is slightly more disease-resistant and begins flowering earlier. Boscobel has more precisely formed flowers, a more complex fragrance, and warmer coloring.

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Boscobel is a beautifully refined David Austin English Rose from 2012, producing precisely formed salmon-apricot rosette blooms with a complex myrrh-and-fruit fragrance. Her upright, narrow habit makes her ideal for smaller gardens and narrow borders in USDA zones 5b-9b.

Quick Reference: Boscobel

Class: David Austin English Rose
Group: English (David Austin)
Color: Salmon/Apricot
Fragrance: Strong
Breeder: David Austin
Introduced: 2012

Key Principles: Full sun (6+ hours), good air circulation, deep watering at the base, and regular feeding during the growing season.

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