{"product_id":"garland-28-cell-deep-root-propagator","title":"Garland 28-Cell Deep Root Propagator | For Sweet Peas, Beans \u0026 Climbers","description":"\u003cp\u003eFor plants that need proper root depth from the very start — sweet peas, broad beans, climbing beans, morning glory, cosmos and other long-rooted seedlings — the \u003cstrong\u003eGarland 28-Cell Deep Root Seed Success Kit\u003c\/strong\u003e is properly the right tool. 12cm deep cells give roots the genuine downward run they need during early development, while the Fast Root engineering (split cells, ridged sides, air pruning) supports stronger plants ready for transplanting. At £17.25 it's the dedicated deep-cell propagator for the gardener growing the kind of plants that fail in shallow seed trays.\u003c\/p\u003e\n\n\u003cp\u003eFrom \u003cstrong\u003eGarland\u003c\/strong\u003e, the established British horticultural brand specialising in propagation, greenhouse and growing equipment. Made from durable injection moulded plastic; built to last multiple seasons.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy depth matters — the tap root problem\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSome plants properly need deep root run from the very start, and standard 5-6cm seed trays don't give them enough vertical space. The classic examples are:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweet peas\u003c\/strong\u003e — legendary for their need for deep root development. Sweet peas grown in shallow trays develop kinked, J-rooted seedlings that struggle to establish. Deep cells (or root trainers \/ loo-roll cardboard tubes traditionally) are properly the right answer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad beans\u003c\/strong\u003e — develop a substantial taproot in early growth; shallow trays restrict this and slow establishment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRunner beans and French beans\u003c\/strong\u003e — similar to broad beans; benefit significantly from deeper root run\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimbing plants generally\u003c\/strong\u003e — morning glory (ipomoea), nasturtiums (tropaeolum), other climbers all develop deeper roots early\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-rooted annuals\u003c\/strong\u003e — cosmos, larkspur, some grasses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweet corn\u003c\/strong\u003e — properly needs depth to develop the support root system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMany vegetables for autumn planting out\u003c\/strong\u003e — brassicas, leeks, and others raised to bigger transplant size\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor these plants, raising in shallow cells produces compromised seedlings. The 12cm depth of the Deep Root propagator gives proper downward root run, producing significantly stronger young plants for transplanting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe 28-cell Deep Root specifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28 individual deep cells\u003c\/strong\u003e — properly the right capacity for a serious season's sowing of deep-rooted plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12cm cell depth\u003c\/strong\u003e — more than twice the depth of standard propagator cells (5.8cm). Real root development space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit cell design\u003c\/strong\u003e — each cell opens like a clamshell; inspect root growth and remove seedlings without disturbance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal ridged sides\u003c\/strong\u003e — vertical ribs guide roots downward rather than letting them spiral. Plants establish faster after transplanting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentral drainage hole\u003c\/strong\u003e per cell — proper drainage prevents waterlogging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour side ventilation slots\u003c\/strong\u003e per cell — natural air pruning when roots reach the slots; forces fibrous root branching rather than long single taproots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable dial ventilator\u003c\/strong\u003e in the clear propagator lid — properly engineered control of airflow and humidity, not just simple vent holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection moulded durable plastic\u003c\/strong\u003e — built for years of repeated use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDishwasher-safe\u003c\/strong\u003e — clean and sterilise between sowings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis is properly the most technically sophisticated propagator in our range — deep cells + all the Fast Root features in one product.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow it differs from our other propagators\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eImportant note: this Deep Root propagator does \u003cstrong\u003enot include the self-watering reservoir and capillary matting\u003c\/strong\u003e of our 12-cell, 24-cell Standard, and 24-cell Fast Root propagators. The depth design takes priority over the self-watering format. You'll need to water each cell directly — either by misting from above, by hand-watering, or by setting the propagator on a tray with bottom watering.\u003c\/p\u003e\n\n\u003cp\u003eFor self-watering with shallower cells, choose one of the other propagators in our range. For deeper root development without self-watering, this is properly the right tool.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe split cell innovation — why it matters with deep cells particularly\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe split cell design is especially valuable with deep cells. Removing a seedling from a 12cm deep traditional cell is genuinely difficult — you can't easily push it out from below without damaging the long root system that's developed inside. The split cell approach eliminates this:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen each cell when ready\u003c\/strong\u003e — the two halves separate cleanly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift out the seedling intact\u003c\/strong\u003e — with the entire deep root system visible and undisturbed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect root development\u003c\/strong\u003e — properly important for deep-rooted plants where root quality can vary significantly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransplant with minimal stress\u003c\/strong\u003e — the plant goes into its permanent position with the same root structure intact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor sweet peas particularly, the ability to see and lift the entire root system intact is genuinely transformative. No more guessing whether the taproot is straight or kinked; no more breaking off the lower roots during transplanting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat you'll grow in it\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweet peas\u003c\/strong\u003e — the headline use; properly the right propagator for serious sweet pea growing. The deep cells let the characteristic long taproot develop straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad beans\u003c\/strong\u003e — sow in autumn for overwintering, or spring for May\/June cropping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRunner beans and French beans\u003c\/strong\u003e — raise indoors before planting out after the last frost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMorning glory (Ipomoea)\u003c\/strong\u003e — the warmth-loving climber; deep cells suit its early root development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNasturtiums\u003c\/strong\u003e — can be sown directly but plug plants establish faster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCosmos\u003c\/strong\u003e — properly the right propagator for raising cosmos to substantial plug size before transplanting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweet corn\u003c\/strong\u003e — needs depth for support root development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrassicas raised to plug stage\u003c\/strong\u003e — cabbages, kales, broccolis, cauliflowers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeeks\u003c\/strong\u003e — the deep cells properly suit leek seedling development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuttings propagation\u003c\/strong\u003e — soft and semi-ripe cuttings of lavender, rosemary, salvia, pelargonium, fuchsia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTree and shrub seeds\u003c\/strong\u003e — many tree species develop substantial taproots in their first year; deep cells properly suit this\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor tomatoes, peppers, chillies and herbs that don't need deep root development, the shallower 12-cell or 24-cell propagators in our range are more appropriate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eParticularly good for\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweet pea enthusiasts\u003c\/strong\u003e — the right tool for serious sweet pea cultivation; many growers consider deep cells essential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllotmenteers\u003c\/strong\u003e — raise proper plug plants of beans, climbers, brassicas, and corn for the plot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCottage garden growers\u003c\/strong\u003e — cosmos, sweet peas, and other tall annuals at proper transplant size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut flower growers\u003c\/strong\u003e — sweet peas and cosmos are staples of the cutting garden; deep root development gives better cut flowers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimbing plant growers\u003c\/strong\u003e — morning glory, sweet peas, nasturtiums, tropaeolum varieties\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBean growers\u003c\/strong\u003e — raise indoor-started broad beans, runner beans, French beans for early planting out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenhouse and conservatory propagators\u003c\/strong\u003e — the proper deep-cell tool for serious propagation work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuttings propagators\u003c\/strong\u003e — the depth suits semi-ripe and softwood cuttings of perennials and shrubs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTree and shrub seed growers\u003c\/strong\u003e — many tree species need deep cells for first-year root development\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAs a gift\u003c\/strong\u003e for a serious gardener who grows sweet peas or beans — properly considered specialist kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere this sits in our propagator range\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis is the specialist deep-root option in our four-product Garland propagator range:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/12-cell-self-watering-seed-success-kit-propagator-with-capillary-matting\"\u003e12-Cell Self-Watering Propagator\u003c\/a\u003e\u003c\/strong\u003e — £10.35. The starter kit; shallow cells, self-watering, windowsill scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/24-cell-self-watering-seed-success-kit-propagator-with-capillary-matting\"\u003e24-Cell Self-Watering Standard\u003c\/a\u003e\u003c\/strong\u003e — £15.25. Same shallow cells, doubled capacity, self-watering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/24-cell-self-watering-fast-root-seed-success-kit-propagator\"\u003e24-Cell Fast Root\u003c\/a\u003e\u003c\/strong\u003e — £17.85. Shallow cells with split-cell technology, self-watering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28-Cell Deep Root\u003c\/strong\u003e (this) — £17.25. Deep 12cm cells with split-cell technology; not self-watering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe right choice depends on what you're growing:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShallow cells (5.8cm)\u003c\/strong\u003e are sufficient for tomatoes, chillies, peppers, herbs, salad leaves, many half-hardy annuals, brassicas to small plug stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep cells (12cm)\u003c\/strong\u003e are essential for sweet peas, beans, climbers, cosmos, sweet corn, leeks, brassicas to large plug stage, tree seeds, deep-rooted perennials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMany serious gardeners eventually want both — a shallow propagator for everyday seed sowing and a deep propagator for the specialist long-rooted varieties.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuilt to last — the sustainability story\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjection moulded plastic construction\u003c\/strong\u003e — properly durable for years of repeated use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for multi-season use\u003c\/strong\u003e — this isn't a single-season disposable product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDishwasher-safe\u003c\/strong\u003e — cleanable and sterilisable between sowings, preventing disease carry-over\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe supplier copy doesn't specify recycled plastic content for this product specifically; we'll confirm with Garland.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere this fits in our broader propagation range\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e28-Cell Deep Root Propagator\u003c\/strong\u003e (this) — specialist deep-cell propagation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe other three Garland propagators\u003c\/strong\u003e — shallow cell self-watering options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/fungus-gnat-treatment-bundle-includes-free-first-class-shipping\"\u003eFungus Gnat Treatment Bundle\u003c\/a\u003e\u003c\/strong\u003e — pest protection for indoor compost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/60-sqm-sciarid-fly-fungus-gnat-nematodes\"\u003eFungus Gnat Nematodes\u003c\/a\u003e\u003c\/strong\u003e — standalone nematode treatment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Garden Digital Max\/Min Thermometer\u003c\/strong\u003e — greenhouse temperature monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/fleece-fabric-roll-1m-x-16m-17gsm-plant-protection-cover-garland\"\u003eGarland Plant Protection Fleece\u003c\/a\u003e\u003c\/strong\u003e — for hardening off seedlings outside\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Garland (British horticultural specialists)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Deep-cell propagator with split-cell Fast Root technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCells:\u003c\/strong\u003e 28 individual split cells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell depth:\u003c\/strong\u003e 12cm (significantly deeper than standard propagators)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSplit cell design for root inspection and removal\u003c\/li\u003e\n\u003cli\u003eInternal ridged sides for guided downward root growth\u003c\/li\u003e\n\u003cli\u003eCentral drainage hole per cell\u003c\/li\u003e\n\u003cli\u003eFour side ventilation slots per cell (natural air pruning)\u003c\/li\u003e\n\u003cli\u003eAdjustable dial ventilator in clear propagator lid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOT self-watering\u003c\/strong\u003e — water each cell directly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Injection moulded durable plastic; dishwasher-safe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 5031670004208\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAbout Garland\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eGarland is an established British horticultural brand specialising in propagation, greenhouse and growing equipment. They've supplied UK growers for decades with the practical kit that makes indoor and undercover gardening work properly. Their products are widely used in commercial nurseries as well as home gardens. We stock their range because they make tools that genuinely improve outcomes for the home grower.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eA small thought: there's a particular satisfaction in sowing sweet pea seeds in autumn, watching them develop slowly through the dark months, then opening up a deep cell in February to see a properly substantial root system — a long straight taproot with fibrous side roots, ready to be planted out at the base of a hazel teepee in March. That's the kind of plant that produces sheaves of cut flowers from June through September. Done in a shallow seed tray, the sweet pea seedling never quite recovers; done in a proper deep-cell propagator, it thrives. The right tool for the right plant matters — and for the gardeners who care about sweet peas and beans, this propagator is properly that tool.\u003c\/em\u003e\u003c\/p\u003e","brand":"AllotMate Essentials","offers":[{"title":"Default Title","offer_id":57144881807737,"sku":"5031670004208","price":17.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/6004\/7547\/files\/28-cell-deep-root-seed-success-kit-deep-cell-propagator-for-long-rooted-plants-unheated-propagation-5031670004208-5031670004208-garland-shop-now-at-allotmate-es-2961338.png?v=1777146098","url":"https:\/\/www.bishybarnabeescottagegarden.com\/products\/garland-28-cell-deep-root-propagator","provider":"Bishy Barnabees Cottage Garden Ltd","version":"1.0","type":"link"}