{"product_id":"delphinium-grandiflorum-summer-blues-siberian-larkspur","title":"Delphinium grandiflorum Summer Blues® | Siberian Larkspur","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eDelphinium grandiflorum Summer Blues® | Siberian Larkspur\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDelphinium grandiflorum Summer Blues®\u003c\/strong\u003e, commonly known as \u003cstrong\u003eSiberian Larkspur\u003c\/strong\u003e, is a compact perennial delphinium with beautiful blue flowers and a naturally neat, well-proportioned habit. Growing to only around \u003cstrong\u003e35 cm tall\u003c\/strong\u003e, it is very different from the tall traditional delphiniums and is particularly suitable for \u003cstrong\u003epots, mixed containers, borders and the front of perennial flower beds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eOne of the greatest advantages of Summer Blues® is its \u003cstrong\u003eFastraX perennial\u003c\/strong\u003e breeding: plants can \u003cstrong\u003eflower in the first year from seed without requiring vernalization\u003c\/strong\u003e. This makes it an especially interesting perennial for gardeners who want results during the first growing season.\u003c\/p\u003e\n\u003cp\u003eIts compact size also makes Summer Blues® an excellent choice for smaller gardens, patios and balconies where traditional tall delphiniums may be too large.\u003c\/p\u003e\n\u003ch3\u003ePlant Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eDelphinium grandiflorum\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon name:\u003c\/strong\u003e Siberian Larkspur\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Summer Blues®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant type:\u003c\/strong\u003e Perennial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlower colour:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth habit:\u003c\/strong\u003e Compact, upright and naturally well-shaped\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e Approx. 35 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e Sun – partial shade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring crop time:\u003c\/strong\u003e Approx. 16–20 weeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowers in the first year:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVernalization:\u003c\/strong\u003e Not required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSowing period:\u003c\/strong\u003e December–May\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeed form:\u003c\/strong\u003e Raw seed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardiness zone:\u003c\/strong\u003e 3b–7b\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Pots, mixed containers, borders and perennial flower beds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Makes Summer Blues® Special?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFlowers in the first year • No vernalization required • Compact 35 cm habit • Beautiful blue flowers • Perennial • Excellent for pots • Perfect for mixed containers • Ideal for borders and the front of flower beds • Easy to grow from seed\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eA Delphinium That Flowers in the First Year\u003c\/h3\u003e\n\u003cp\u003eSummer Blues® belongs to the \u003cstrong\u003eFastraX perennial\u003c\/strong\u003e group, meaning it can flower during the \u003cstrong\u003efirst growing season from seed without requiring a cold period\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eTraditional perennial cultivation can sometimes require waiting until the following season for flowering. Summer Blues® has been selected to shorten this process, making it especially rewarding when grown from seed.\u003c\/p\u003e\n\u003cp\u003eWith an early sowing and suitable growing conditions, the spring crop time is approximately \u003cstrong\u003e16–20 weeks, or 112–140 days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCompact – Only Around 35 cm Tall\u003c\/h3\u003e\n\u003cp\u003eUnlike the tall, imposing flower spikes associated with many traditional delphiniums, Summer Blues® develops a naturally \u003cstrong\u003ecompact habit and reaches only around 35 cm in height\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis compact growth makes it particularly versatile. It can be planted at the \u003cstrong\u003efront of perennial borders\u003c\/strong\u003e, along paths and garden edges, or grown in pots where taller delphiniums would be impractical.\u003c\/p\u003e\n\u003cp\u003eIts smaller size also means the plants are generally easier to integrate into mixed plantings without overwhelming neighbouring flowers.\u003c\/p\u003e\n\u003ch3\u003eBeautiful Blue Flowers\u003c\/h3\u003e\n\u003cp\u003eSummer Blues® produces charming \u003cstrong\u003eblue flowers\u003c\/strong\u003e that create a light, airy effect above the compact foliage.\u003c\/p\u003e\n\u003cp\u003eThe blue colour is particularly useful in garden combinations and works beautifully with \u003cstrong\u003ewhite, cream, pale yellow, pink, lavender and apricot flowers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a soft romantic planting, combine Summer Blues® with pale pastel shades. For stronger contrast, pair its blue flowers with warm yellow or apricot tones.\u003c\/p\u003e\n\u003ch3\u003ePerfect for Pots and Mixed Containers\u003c\/h3\u003e\n\u003cp\u003eSummer Blues® has been specifically selected for its compact habit, making it an excellent perennial for \u003cstrong\u003epots and mixed container arrangements\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt can be used as the upright flowering element in a container and combined with lower or trailing plants.\u003c\/p\u003e\n\u003cp\u003eFor larger containers, several plants can be grown together to create a fuller flowering display. Professional cultivation recommendations suggest using \u003cstrong\u003ethree plants per larger container\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eChoose a pot with drainage holes and a good-quality, well-drained growing medium.\u003c\/p\u003e\n\u003ch3\u003eBeautiful at the Front of the Border\u003c\/h3\u003e\n\u003cp\u003eAt approximately 35 cm tall, Summer Blues® is particularly useful for the \u003cstrong\u003efront and middle sections of perennial flower beds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt adds blue colour without creating the considerable height of traditional delphiniums and can be repeated throughout a border to create rhythm and continuity.\u003c\/p\u003e\n\u003cp\u003eIts perennial nature means established plants can return in following seasons where winter conditions are suitable.\u003c\/p\u003e\n\u003ch2\u003eGrowing from Seed\u003c\/h2\u003e\n\u003cp\u003eSummer Blues® can be successfully grown from seed and does not require vernalization before its first flowering.\u003c\/p\u003e\n\u003cp\u003eFor the earliest flowering, sow indoors well before the outdoor planting season.\u003c\/p\u003e\n\u003ch3\u003eSowing and Germination\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSowing period:\u003c\/strong\u003e Approximately \u003cstrong\u003eDecember–May\u003c\/strong\u003e, depending on the desired flowering time and local growing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSowing:\u003c\/strong\u003e Sow \u003cstrong\u003e2–3 seeds per cell or small pot\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCovering:\u003c\/strong\u003e Cover the seeds lightly with fine growing medium or vermiculite.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGermination temperature:\u003c\/strong\u003e Approximately \u003cstrong\u003e20–22°C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGermination time:\u003c\/strong\u003e Approximately \u003cstrong\u003e14–18 days\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture:\u003c\/strong\u003e Keep the growing medium consistently moist during germination, but avoid prolonged waterlogging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAfter Germination\u003c\/h3\u003e\n\u003cp\u003eOnce the seedlings have emerged, provide \u003cstrong\u003eplenty of light and good air circulation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe young plants can usually be transplanted approximately \u003cstrong\u003e6–8 weeks after sowing\u003c\/strong\u003e, once they have developed a healthy root system.\u003c\/p\u003e\n\u003cp\u003eDo not plant the young plants too deeply. Keep the crown at approximately the same level as it was growing in the seedling container.\u003c\/p\u003e\n\u003cp\u003eFor further growth, temperatures around \u003cstrong\u003e13–16°C\u003c\/strong\u003e are suitable and help produce compact, sturdy plants.\u003c\/p\u003e\n\u003ch3\u003ePlanting Outdoors\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to plant:\u003c\/strong\u003e Harden the young plants gradually before transplanting them outdoors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Choose a location in \u003cstrong\u003esun to partial shade\u003c\/strong\u003e. Good light supports compact growth and abundant flowering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil:\u003c\/strong\u003e Summer Blues® prefers \u003cstrong\u003efertile, well-drained soil\u003c\/strong\u003e. Avoid heavy locations where water remains around the roots for long periods.\u003c\/p\u003e\n\u003cp\u003eGood air circulation is also beneficial, particularly when plants are grown closely together.\u003c\/p\u003e\n\u003ch3\u003eImportant Temperature Note\u003c\/h3\u003e\n\u003cp\u003eDelphinium Summer Blues® prefers relatively moderate growing temperatures.\u003c\/p\u003e\n\u003cp\u003eVery high temperatures \u003cstrong\u003eabove approximately 29°C\u003c\/strong\u003e can negatively affect flower development. During periods of extreme summer heat, a position protected from the strongest afternoon sun may therefore be beneficial.\u003c\/p\u003e\n\u003cp\u003eCool conditions combined with very short days can also slow flowering, which is mainly relevant during very early indoor or greenhouse production.\u003c\/p\u003e\n\u003cp\u003eFor home gardeners, the most important points are simple: provide \u003cstrong\u003egood light, moderate temperatures and good air circulation\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWatering and Feeding\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWatering:\u003c\/strong\u003e Keep the soil reasonably and evenly moist during active growth, but avoid permanently wet conditions. Good drainage is particularly important when growing Summer Blues® in containers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeeding:\u003c\/strong\u003e The variety has \u003cstrong\u003emoderate nutrient requirements\u003c\/strong\u003e. Once seedlings are established, use a balanced fertilizer regularly at moderate strength.\u003c\/p\u003e\n\u003cp\u003eAvoid excessive fertilizer concentrations and salt accumulation in the growing medium.\u003c\/p\u003e\n\u003ch3\u003eGrowing in Pots\u003c\/h3\u003e\n\u003cp\u003eFor container growing, use a \u003cstrong\u003ewell-drained, high-quality potting mix\u003c\/strong\u003e and a container with drainage holes.\u003c\/p\u003e\n\u003cp\u003eA single plant can be grown in a smaller pot, while \u003cstrong\u003ethree plants can be combined in a larger container\u003c\/strong\u003e to create a fuller display.\u003c\/p\u003e\n\u003cp\u003eBecause Summer Blues® is a perennial rather than simply a seasonal bedding plant, container-grown plants can potentially be kept for future seasons where suitable winter protection and drainage are provided.\u003c\/p\u003e\n\u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePots • Patio containers • Mixed containers • Perennial borders • Front of flower beds • Garden edging • Small gardens • Balcony and terrace planting • Blue garden colour schemes\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Grow Delphinium Summer Blues®?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDelphinium grandiflorum Summer Blues®\u003c\/strong\u003e offers the beauty of a perennial delphinium in a much more compact and versatile form.\u003c\/p\u003e\n\u003cp\u003eIts approximately \u003cstrong\u003e35 cm height\u003c\/strong\u003e, beautiful blue flowers and suitability for pots and borders already make it an attractive garden plant. But its greatest advantage is the ability to \u003cstrong\u003eflower in the first year from seed without vernalization\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor gardeners who love delphiniums but do not have space for very tall varieties, Summer Blues® is an excellent way to bring the distinctive blue colour and delicate character of Delphinium into \u003cstrong\u003epots, smaller gardens and the front of perennial borders\u003c\/strong\u003e.\u003c\/p\u003e","brand":"therapyofflowers.com","offers":[{"title":"20 seeds \/ 35 cm \/ Light Blue","offer_id":51855721627991,"sku":null,"price":2.95,"currency_code":"EUR","in_stock":true},{"title":"100 seeds \/ 35 cm \/ Light Blue","offer_id":54859908710743,"sku":null,"price":11.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/9275\/3751\/files\/delphinium-grandiflorum-summer-blues-r-siberian-larkspur-20-seeds-988.jpg?v=1768985226","url":"https:\/\/www.therapyofflowers.com\/sv\/products\/delphinium-grandiflorum-summer-blues-siberian-larkspur","provider":"therapyofflowers.com","version":"1.0","type":"link"}