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Buy Rhubarb Glaskins Perpetual online from Jacksons Nurseries.

Rhubarb Glaskins Perpetual

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£11.99

Code: 37662

Availability: 2 item(s)

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At a Glance

Variety: Rheum
Size: 2-3 Litre pot
Mature Height (?):

What does this mean?

Mature Height

You can expect the height to reach somewhere within this estimate. It is given as a guide but can vary dependant on several factors such as soil quality and position.

For Conifers and Trees this may be the height in 10-20 years, eventually the plant may exceed this height.

60cm
Mature Spread (?):

What does this mean?

Mature Spread

You can expect the plant to spread somewhere within this range estimate. It is given as a guide but can vary dependant on several factors such as soil quality and position.

For Conifers and Trees this may be the spread in 10-20 years, eventually the plant may exceed this.

1.2m
Flower Colour (?):

What does this mean?

Flower Colour

Flowers come in a vast variety of colours from pure white to almost black. Colour can be affected by a number of factors including environment and diet. Use the photographs as a guide and expect variations.

None or Insignificant
Flowering Time (?):

What does this mean?

Flowering Time

A plants development is synchronised with the changing seasons and flowering is one of several changes that occur at the appropriate time of year dependent on the specific plant. While our meteorological seasons are defined by specific dates; there can be two or the weeks difference in the start and end of the horticultural 'season' between the north and south of the UK.

Summer - Autumn
Foliage (?):

What does this mean?

Evergreen

Plants that have leaves all year round are classified as evergreen. They can however lose leaves sporadically throughout the year.

Deciduous

Deciduous plants drop their leaves in autumn, look bare in winter and put out new leaves again in spring. Some plants such a Beech retain their dead leaves until the new spring growth.

Semi-evergreen

There are exceptions, some plant drop their leaves in cold winters but keep them if it is mild. These are classified as Semi-evergreen.

Deciduous
Fragrant (?):

What does this mean?
Fragrant
For plants that are fragrant the level of fragrance may vary, results may improve by planting in larger blocks. The fragrance may come from flowers or foliage.

No
Growth Rate (?):

What does this mean?

Growth rate of a plant will determine how fast the plant reaches it ultimate height and is affected by four main factors: temperature, nutrients, light, and water.

Average
Hardiness (?):

What does this mean?

Fully Hardy

Hardy in most places throughout the UK even in severe winters (to -15)

Half Hardy

Hardy throughout most of the UK (to -10)

Frost Hardy

Hardy in coastal and relatively mild parts of UK (to -5)

Fully Hardy
Position (?):

What does this mean?

Full Sun

Six or more full hours of direct sunlight but don't forget to water.

Partial Shade

Two or three hours either in early morning or late evening sun. Very limited exposure to midday sun.

Dense Shade

Usually no more than two hours direct sunlight. Usually under dense trees, shurbs or in shade cast by buildings/fences etc.

Full sun, Partial shade
Soil Moisture (?):

What does this mean?

Well Drained

Well-drained soil allows water to percolate through reasonably quickly without pooling. Well drained soil can often be dry and lack nutrients.

Poorly Drained

Poorly Drained soil is usually saturated periodically during the growing season and remains wet for several days at a time. Saturated soil can deprive roots of oxygen.

Moist Well Drained

A moist well drained soil is the best of both worlds by combining high permeability with the ability to retain moisture. Adding well rotted organic matter to dry or wet soil will help improve both these characteristics.

Moist Well-drained
Soil PH (?):

What does this mean?

Acid

Soil with a pH between 1 and 7 is classed as acid, ericaceous plants such as Rhododendrons need acid soil.

Neutral

A neutral pH which is around 7, will be suitable for most plants. Clay soils tend to be neutral.

Alkaline

Soil with a pH between 7 and 14 are refereed to as Alkaline. Chalky soil is usually Alkaline.

Acid, Neutral, Alkaline
Soil Type (?):

What does this mean?

Chalk

Chalky or lime-rich soils may be light or heavy, largely made up of calcium carbonate and are very alkaline.

Clay

Clay soils are potentially fertile and hold a high proportion of water. They drain slowly and take longer to warm up in spring.

Loam

Loam soils are s mixture of clay, sand and silt that avoid the extremes of clay or sandy soils. Fertile, well-drained and easily worked.

Sand

Sandy soils have a low clay content, drain quickly, easy to cultivate and work. They can dry out quickly and are low in plant nutrients. Often very acidic.

Chalk, Clay, Loam, Sand

**Rhubarb Glaskins Perpetual (Rheum rhabarbarum 'Glaskins Perpetual')**

Experience the exceptional reliability and versatility of English heritage excellence with Glaskins Perpetual, the distinguished late-season variety that combines outstanding extended harvest capability with gorgeous greenish-red stems and uniquely low acid content, delivering the ultimate perpetual rhubarb experience for gardeners seeking proven quality and exceptional seasonal value.

Overview

Discover the remarkable qualities that make Glaskins Perpetual one of the most valuable and reliable rhubarb varieties available to British gardeners, combining historic heritage with exceptional late-season performance and superior growing versatility. This outstanding English heirloom produces large, thick stems with distinctive colouration that ranges from deep red at the base to bright green towards the leaf, creating striking visual appeal whilst offering exceptionally low oxalic acid content that allows extended harvesting well into the season. As a true perpetual variety with outstanding late-cropping capabilities, Glaskins Perpetual provides valuable fresh rhubarb from May through July when most other varieties have become too acidic, making it perfect for gardeners who appreciate extended harvest windows and superior culinary flexibility. The variety's reliable, heavy-cropping nature ensures excellent garden performance with rapid establishment, whilst the naturally sweet character throughout the season makes it ideal for both traditional and contemporary culinary applications. With its combination of heritage authenticity, exceptional late-season reliability, and outstanding acid balance, this classic cultivar represents the finest achievements in English rhubarb breeding, offering modern gardeners the opportunity to grow premium crops with guaranteed extended productivity and distinctive culinary qualities that have been treasured since the 1920s.

Key Features

Plant Type: Hardy perennial vegetable (rhubarb)
Planting Season: March to May or September to November
Mature Height: 60cm
Spread: 120cm
Harvest Period: April to June
Stem Characteristics: Large, thick stems, red at base shading to green above
Flavour Profile: Sweet with exceptionally low oxalic acid content
Productive Lifespan: 15-20 years with proper care
Hardiness: Hardy in the UK down to temperatures of -15 to -10 degrees Celcius (RHS hardiness rating H5)

Distinguished English Heritage

Represents the finest achievements in traditional English rhubarb cultivation, first raised in Brighton and listed in 1920 as 'garden rhubarb', combining time-tested reliability with proven performance that has established Glaskins Perpetual as a treasured variety among generations of discerning growers.

Outstanding Perpetual Performance

Lives up to its 'perpetual' name by providing extended harvesting capabilities well into July, when most other varieties become too acidic to use. This remarkable late-season reliability ensures fresh rhubarb availability throughout the traditional preserving season when it's most valued for culinary applications.

Exceptional Low Acid Content

Features naturally low levels of oxalic acid that remain consistently low throughout the growing season, making stems suitable for harvesting much later than traditional varieties. This outstanding characteristic ensures sweet, tender stems that never become bitter, even during extended harvest periods.

Superior Stem Characteristics

Produces impressively large, thick stems with excellent flavour that maintains sweetness throughout the season. The substantial stem size combined with superior tenderness makes Glaskins Perpetual perfect for applications requiring premium presentation and eating quality without the harshness of high-acid varieties.

Heavy Cropping Reliability

Demonstrates exceptional productivity with heavy, reliable crops year after year, ensuring abundant harvests for fresh eating and preserving. This outstanding yield consistency makes Glaskins Perpetual perfect for gardeners seeking guaranteed returns from their rhubarb investment.

Quick Establishment Advantage

Shows remarkably fast establishment from seed or crown, with the potential for light harvesting in the first year when started early. This rapid development ensures quick returns and makes Glaskins Perpetual ideal for gardeners seeking immediate productivity from new plantings.

Distinctive Colour Development

Features attractive colouration with deep red at the base shading to bright green towards the leaf, creating beautiful visual appeal both in the garden and on the plate. This striking colour combination adds ornamental value whilst maintaining superior culinary quality.

Versatile Growing Adaptability

Thrives in various growing conditions whilst maintaining consistent quality, making Glaskins Perpetual suitable for different garden situations and growing methods. This adaptability ensures success for gardeners with varying site conditions and experience levels.

Self-Sufficient Convenience

Requires minimal intervention once established whilst delivering consistent heavy crops throughout the extended season. This convenience factor enhances appeal for busy gardeners seeking maximum results from minimal time investment whilst enjoying extended harvest periods.

Ideal Growing Position

Thrives in rich, well-drained soil with good organic matter content in full sun to partial shade positions. Prefers consistently moist but not waterlogged conditions with protection from strong winds for optimal stem development and extended productivity.

Professional Care Excellence

Benefits from generous annual mulching with well-rotted compost and regular feeding during the growing season to support the heavy cropping nature and extended harvest period. The straightforward care requirements combined with natural reliability make Glaskins Perpetual accessible to gardeners of all experience levels.

Seasonal Interest Calendar

Early Spring: Robust crown emergence with impressive early growth
Late Spring: Strong stem development with distinctive colouration
May-June: Prime harvest period with peak stem quality
July: Extended harvest availability with maintained sweetness
Summer: Continued productive growth with ornamental foliage
Autumn: Natural foliage dieback revealing strong crown development
Winter: Dormant period with established root system strengthening

Organic Growing Excellence

The natural vigour and reliable performance make Glaskins Perpetual perfect for organic growing methods, with excellent resilience reducing intervention needs whilst maintaining outstanding productivity and superior flavour quality throughout the extended growing season.

Premium Culinary Applications

Perfect for pies, tarts, jams, and wine where sweet flavour and low acidity are valued. The exceptional sweetness and extended availability create outstanding results in both traditional and contemporary culinary presentations, whilst the low oxalic acid content makes it suitable for applications requiring gentle rhubarb character without overwhelming tartness.

Growing Success Tips

Success with Rhubarb Glaskins Perpetual centres on selecting a rich, well-drained position with good organic matter content, ensuring adequate spacing of 90cm between plants for optimal crown development and extended productivity. Plant during spring or autumn, preparing the soil with generous well-rotted manure incorporation to support the heavy cropping nature and extended harvest capability. Establish annual mulching with organic matter and regular feeding during the growing season to maintain vigorous growth and exceptional stem quality throughout the perpetual harvest period. Take advantage of the extended harvest season by picking regularly from May through July, enjoying the naturally low acid content that allows late-season harvesting when other varieties become unusable. Allow first-year plants to establish with minimal harvesting, then enjoy abundant harvests from the second year onwards, taking advantage of the heavy cropping nature and extended availability. Maintain crown health by removing flower spikes promptly and dividing established plants every 4-5 years to ensure continued vigour and productivity. Your Glaskins Perpetual will demonstrate that English heritage excellence delivers exceptional garden performance, combining outstanding late-season reliability with heavy cropping that transforms ordinary vegetable gardens into extended rhubarb production centres for gardeners who appreciate both tradition and proven quality in their edible landscapes.

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Our trees might be Freshly Potted and the root system may not be fully established, and loose soil may occur when unpacking.

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Here at Jacksons Nurseries we would favour a hardy outdoor grown plant every time. They are far less likely to suffer from the shock of being planted in colder conditions and they will begin to establish more rapidly the following spring. This can mean that they don’t look like a ‘picture perfect’ plant when purchased out of season but with the correct care and a little time you’ll have a wonderful plant to enjoy for many years to come.

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