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Iris de Hollande Golden Harvest - Iris hollandica
Iris de Hollande Golden Harvest - Iris hollandica
Iris de Hollande Golden Harvest - Iris hollandica
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Dispatch by letter from €3.90.
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This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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The Iris (x) hollandica 'Golden Harvest' is a Dutch iris that stands out for its sunny colour, almost pure yellow. This bulbous iris blooms for 2 to 3 weeks, earlier or later in spring depending on the climate. Refined and colourful, the stylized flowers of Dutch irises stand out for their elegance in the garden, as well as in bouquets. They are hardy bulbs that are easy to grow in all regions. They only require sunlight and well-drained fertile soil.
The Dutch irises, or bulbous irises, have an underground storage organ in the form of a bulb, not a rhizome like their famous cousins the Iris germanica, or bearded irises. Belonging to the same botanical family as the latter, the iridaceae family, they also differ by the absence of "beards", those pretty little fluffy and colourful tongues found on the drooping sepals of bearded irises. The first Dutch irises (x) never grew in the wild on Dutch soil, but are the result of cross-breeding between 2 main botanical species: Iris filifolia, sometimes confused with Iris xyphium which resembles it, both originating from Spain and North Africa, and Iris tingitana from Tangier and northern Morocco. The genealogy of Dutch hybrids is sometimes confusing, but the result is always remarkable. Their flowers, somewhat underused in the garden, are highly appreciated in floristry.
Over time, 'Golden Harvest' Dutch Iris forms a narrow, erect clump measuring 55-60 cm (22-24in) when in bloom. This perennial spreads indefinitely through the production of bulblets. This cultivar generally flowers in May-June (as early as March-April in the south) for 2 to 3 weeks, on thin but sturdy stems. Its solitary or paired flowers on the stems measure 8 to 10 cm (3 to 4in) in diameter, relatively slender compared to those of Iris germanica, but with undeniable elegance. They are a vibrant, uniform yellow. Each flower consists of 3 upright, slender, translucent petals of small size. Beneath this trio are 3 almost horizontal petals, closely linked to the dentate petaloid styles on the edges, arranged in a staggered pattern. Wider, they are spatulate, brushed with dark yellow at the base. Each flower can last 5 to 7 days, even in a vase. The bulb is round, 2 to 3 cm (1in) wide, covered with a fibrous tunic of a pinkish beige colour. It produces a few linear, thin and leathery leaves, somewhat resembling those of a grass, slightly glaucous green, often slightly striated and folded in half towards the ground. They frequently appear in autumn, persisting more or less depending on the severity of the winter and drying up in summer during the dormant period.
Less known and less used by gardeners than bearded irises, Dutch irises are nevertheless easy to grow, with undeniable elegance and indifferent to wild grasses that struggle to infiltrate their very vertical clumps. Plant them in groups of 10 to 20 bulbs of the same variety; they will come back year after year to offer you more and more refined and joyful flowers, which go well with the spring flowering of shrubs. They also look superb planted in the midst of perennials such as peonies and daylilies, which will mask their absence in summer when they are dormant. Their Mediterranean origins give them excellent adaptation to summer drought. Finally, pick their flowers to make bouquets with roses, arums or even late tulips. All irises need a sunny exposure to flower well. Give them at least half a day of full sun.
Iris x hollandica Golden Harvest in pictures
Plant habit
Flowering
Foliage
Botanical data
Plant the bulbs in September-October, in a sunny location, in ordinary but fertile, deep, and well-drained soil (even sandy or rocky). Add some coarse sand or compost to your soil if necessary. Plant the bulbs 10 cm (4in) deep and preferably in groups of the same variety, spaced 10-15 cm (4-6in) apart. Cut off the faded flowers at their base, being careful to leave the stem. Continue to water the plants at their base. Once the foliage turns yellow, remove it and leave the bulbs in place for them to flower again the following year. After flowering, water three times with liquid fertilizer at one-month intervals. Leave the bulbs in place for several years. Dutch Irises rest in the summer, preferably in dry soil. Their bulbs dislike consistently wet soil during the summer resting period.
Divide clumps after 4 to 5 years when they appear less floriferous. Do this once the leaves have dried at the beginning of the resting period.
The leaves of the Dutch Iris should only be cut when dry; they allow the bulb to replenish its reserves for the following spring's flowering. Remove the pods as they form so that the plant does not exhaust itself producing seeds.
Planting period
Intended location
Care
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.