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Discover the beauty of Dutch iris, a type of iris bulb that yields exquisite blooms from spring to early summer. Dutch iris stage their show over roughly a two-week period, but once you see a drift of these gorgeous iris bulbs in bloom, you’ll understand why it’s worth the effort to work a few into your landscape.
What month do Dutch iris bloom?
In warm climates, Dutch iris may start producing foliage in late fall or early winter. Flowers will follow in spring. In colder areas you will not see any foliage until spring. Feel free to cut the flower stems for bouquets, leaving the foliage behind.
Why does my Dutch iris not bloom?
When you notice iris plants not flowering, the cause can stem from a variety of issues including weather, soil fertility, overcrowding, unhealthy rhizomes, insect or disease attack, planting depth, and even site conditions.
Does Dutch iris multiply?
The irises will multiply each year. For a smaller space where the irises are accents instead of focal points, I plant at least 3 bulbs together.
Will Dutch iris bloom the first year?
The answer to the dutch iris question is yes they bloom the first year. They should be available now , they are a bulb and can be planted this fall for a bloom next year.
Can you plant Dutch iris bulbs in April?
Often grown as annuals, Dutch iris hybrids grow from bulbs that can be planted in fall (where hardy, zones 5 to 9) or spring.
Do Dutch irises naturalize?
Dutch irises will also naturalize and bloom again the following spring. Some gardeners prefer to treat them as annuals and plant fresh bulbs every fall but if the iris bulbs are happy in a sunny, well-drained spot, they will bloom for many years.
How many iris bulbs can you plant together?
Plant rhizomes singly or in groups of three, 1 to 2 feet apart, depending on the size. Dig a shallow hole 10 inches in diameter and 4 inches deep.
What do I do if my irises don’t bloom?
It may be a good idea to divide and replant your irises. Find a sunny location receiving at least 6 hours of direct sunlight each day. Prepare the planting site by digging the soil deeply to loosen compacted soil. As you are turning the soil, add amendments such as compost and a phosphate fertilizer.
How do I get my iris to bloom?
Deadhead the iris frequently to encourage new flowering from buds growing further down on the stem. Let as much of the foliage remain on the plant as possible because it will continue to absorb the sun and feed the stems. Once flowering is over, cut the stalk down to the soil level but not into the rhizome or bulb.
How long do Dutch iris live?
Dutch iris bulbs make a terrific addition to a home cutting garden. The individual blossoms of a Dutch iris stem last three to five days each, but since each stem carries more than one flower bud, vase life stretches to about a week.
How often do you water Dutch iris?
How to Grow Water as needed during active growth periods; about 1″ of moisture per week is a good estimate. Leave the foliage in place at the end of the blooming season rather than cut it off. Remove the foliage in the summer when it turns yellow and dies back as the plant slips into dormancy.
How do you care for Dutch iris after they bloom?
After the blooms have faded, the stems and foliage will remain throughout the summer, helping to form next season’s bloom. Keep them watered and when they die back, gently pull the dry stalks away leaving the bulb behind.
Do iris flowers come back every year?
Irises grow from underground bulbs or fleshy roots called rhizomes and, with proper care, the National Gardening Association says they’ll regrow season after season in zones 3 though 8, or even zone 10 in dry climates.
How long do Dutch iris bulbs take to sprout?
Iris and hyacinths need 13 to 15 weeks of chill period and will also sprout one to two weeks after the requirement is fulfilled.
How many years do iris bulbs bloom?
After two to four years, the irises become crowded from new growth and can stop blooming. Dig up the clumps and divide them.
What month do you plant iris bulbs?
The best time to plant bulb irises is in September and October, but they can be planted as late as November. Bearded iris rhizomes should be planted in August-October. Beardless pot-grown irises can be planted from spring to autumn.
Can I plant Dutch iris in May?
Plant in the garden when evening temperatures average between 40-50F degrees, before the ground freezes. Rather than in the garden, you may plant bulbs into large containers.
Do Dutch irises spread?
The Dutch iris is a spring-flowering bulb; its planting time is fall. It is a slow-growing, short-lived, easy-to-grow plant that can naturalize in your garden, giving you a new set of flowers every year, if it has ample sun and well-drained soil. Over many years, it may slowly spread itself.
Should you lift Dutch iris bulbs?
Leave the foliage around after blooming and the leaves will carry out the photosynthesis process to strengthen the bulbs. Remove the foliage once the leaves turn yellow and die.
What is the difference between Dutch iris and Siberian Iris?
Dutch iris grow from bulbs and can reach 18 to 22 inches tall. They bloom in May and June. Siberians are even taller, rising to as much as 36 inches. Both types bloom in shades of white, cream, purple, blue-purple and yellow.
