52 Surprising Information About Planting Iris Bulbs In Colorado

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52 Unexpected Facts About When To Plant Iris Bulbs In Colorado | How To Plant Tulip Bulbs

• Fertilizer: Japanese iris are heavy feeders. Depending on your soil a liberal application of balanced fertilizer for acid loving plants (Rhododendron, Camellia) in the spring just before or after bloom is beneficial. Most soils with heavy watering will usually need more nitrogen (Ammonium sulfate) applied. Do not apply fertilizers to new transplants. - Source: Internet
• At Harlequin’s Gardens, we have been experimenting for years with bulbs in our display gardens. Since our gardens are xeriscapes (by default even where not by design), we have had the pleasure of discovering that a great many delightful bulbs can thrive and naturalize in our conditions and enliven the scene in spring and fall. No surprise, really, since most of these hardy spring and autumn-blooming bulbs originated in parts of the world with conditions much like ours, such as Central Asia. Visitors to our gardens have been wowed by enormous Star of Persia Alliums and brilliant sapphire miniature iris and charmed by perky miniature daffodils and starry species tulips and crocus. They (you) kept asking us “where can I get these?”, so in 2008, we carefully selected our first-ever offering of bulbs for sale at Harlequin’s Gardens. - Source: Internet
• If you are thinking about when to plant bulbs in Colorado, the most preferred time is fall. For most gardeners, fall bulb planting is the easiest way to jump-start the spring season when it comes to gardening. In short, the best time to plant bulbs is between mid-September and late October. - Source: Internet
• The best time to plant spring-flowering bulbs is late Autumn. This gives them time to chill before spring. But what if you missed the boat on the best time to plant bulbs? Can you still plant them in November, December and beyond? - Source: Internet
• When to plant – The best time to plant iris is late summer through early fall. We recommend planting from mid-July until mid-October depending on your location. Those in southern climates can usually push the deadlines and plant into November. Spring planting is discouraged but can be done under abnormal circumstances. Spring planting can often result in lack of bloom for a season or two and slow establishment. - Source: Internet
• In many ways the English Iris, also known as I. xiphiodes and I. anglica, is a classic iris: often dark blue with yellow marks. - Source: Internet
• Siberian iris remain one of the easier iris plants to grow; some beds continue blooming for decades without any division or insecticide, making a large sweep of blue, lavender, white or one of the new multicolors. Because Siberian are “bridge” bloomers, including early and late, we have included some of each in our selections. Nonetheless, they tend to bloom around the same time as bearded iris, not as late as the bulb irises. - Source: Internet
• 04 of 14 Plant Them Deep Enough Peter Krumhardt Not sure how deep to plant your bulbs? You’re not alone—it’s a very common question for gardeners. Generally, dig a hole two to three times deeper than the bulb is tall. So if you have a 3-inch-tall bulb, dig a hole 6 to 9 inches deep. Of course, there are always exceptions, so check the planting directions that come with the bulbs for more information. - Source: Internet
• Soil requirements: Japanese irises prefer a rich, loose soil with ample organic matter. An addition of well-aged manure and compost will help in water retention as well as adding nutrients. The soil PH should be slightly acid, ideally between 5.5 to 6.5. - Source: Internet
• Caution: Do not use bone meal. This has the same effect as lime and can kill Japanese irises. Also, do not fertilize newly planted (or transplanted) Japanese iris as this can burn the roots. - Source: Internet
• Perhaps no other iris is as influenced by good culture as Japanese iris. Demanding in their needs but if met they will reward you with tall robust plants and larger blooms. Hardy in zones 4-9. - Source: Internet
• That way, bulbs can establish their roots before the soil slowly turns hard due to freezing. Also, you should start purchasing bulbs in early September. As a result, you can have the best selection and lots of variety. When determining when for all the major bulbs to plant, there are certain aspects that you should consider. - Source: Internet
• Fill your garden with beautiful bulbs that bloom in spring, summer, and fall. Whether you’re planting tulips, daffodils, crocus, or hyacinth, bulbs are a one-way ticket to a colorful garden. Use these tips to ensure success. - Source: Internet
• 13 of 14 Design Idea: Try Them in Containers Adam Albright Most bulbs do just as well in containers as in the ground. Create pots of spring joy with your favorite tulips, daffodils, and hyacinths by sinking them in the ground so they avoid the winter chill. Or you can store the containers in a cold garage or storage shed. When the bulbs fade, replace them with warm-weather favorites such as callas, cannas, or caladiums for summer-long beauty. - Source: Internet
• Tulip bulbs are planted in the autumn before the ground freezes. By planting varieties with different bloom times, you can have tulips blooming from early to late spring. Some types are good for forcing into bloom indoors and most are excellent for use as cut flowers, too. - Source: Internet
• 03 of 14 Get the Timing Right Peter Krumhardt When to plant bulbs depends on when they bloom. Spring-blooming bulbs, such as tulips and daffodils, should be planted in September or October when the soil temperatures have cooled. Summer-blooming beauties such as dahlia and gladiolus are best planted in the spring after all danger of frost has passed. - Source: Internet
• Go to American Meadows blog to read more about planting Spring bulbs. http://blog.americanmeadows.com/2010/11/04/planting-bulbs-in-containers/?utm_source=bm23&utm_medium=email&utm_term=READ+BLOG&utm_content=20140929+-+BulbPerennial+-+Plant+Bulbs+in+Containers&utm_campaign=09%2F29%2F2014 - Source: Internet
• 09 of 14 Protect Your Investment Lark Smothermon Critters such as squirrels love digging up freshly planted bulbs. To keep animals away, spread a layer of mulch to hide your bulb holes. If that doesn’t help, weigh down a piece of mesh or chicken wire over the soil to keep critters from digging. It should be safe to remove the protective mesh or wire after the bulbs start to sprout out of the ground. - Source: Internet
• 10 of 14 Overwinter Tender Bulbs Edward Gohlich If you live in a cold-winter climate where the ground freezes and you want to save your tender summer bulbs such as canna, you’ll need to store them in a frost-free place over the winter. An easy way to do this is to plant the bulbs in containers, then sink those containers in the ground. Simply dig up the containers and store them in a garage, basement, or shed that stays about 40 to 55 degrees at the end of the season. - Source: Internet
• 06 of 14 Give Them Good Soil Marty Baldwin Like most plants, bulbs appreciate well-drained soil rich in organic matter. So mix compost into your bulbs’ planting holes to ensure good blooming. This is especially important if you have heavy clay soil or ground that stays wet. - Source: Internet
• 01 of 14 Select Quality Bulbs Greg Scheidemann Clever bulb planting starts at the garden center with high-quality bulbs. Look for bulbs that are plump and firm. It’s typically best to avoid any that are soft and mushy or have mold growing on them. Also, look for big bulbs; the bigger they are, the more they generally bloom compared to smaller bulbs of the same variety. - Source: Internet
• Pests: Slugs and snails can be a problem. Either pick them off by hand or use slug bait if damage is seen. Thrips and iris borer can be controlled with a systemic insecticide. We recommend Orthene, or Cygon 2E; follow manufactures instruction. - Source: Internet
• How to plant – The most common mistake made with bearded iris is planting too deeply. First make a 3-inch deep depression about 6 inches in diameter. In the center make a small, fist-sized mound of soil. The rhizome is placed on top of the mound so that 1/3 of the rhizome will be above the soil. Spread the roots out to support the plant, replace the soil, firmly packed around the roots to remove air pockets and water liberally. - Source: Internet
• Pests: Slugs and snails; bait if damage is seen. Thrips and iris borer can be controlled with a systemic insecticide (i.e.: Merit or Orthene) following manufacturers’ instructions. - Source: Internet
• Fertilization – Modern iris varieties may need more fertilizer than older varieties, due to the increased number and size of blossoms. We fertilize in mid-to-late April with bone meal, superphosphate, or a fertilizer low in nitrogen such as 6-10-10. Fertilizers high in nitrogen tend to cause bacterial rot and lush-but-weak foliage growth. When selecting fertilizers for irises, be sure that the 2nd and 3rd numbers are bigger than the 1st. - Source: Internet
• Apart from that, when fall arrives, you get some time to manage the gaps by filling them. It is a great time to start and fill those bare spots with blooming bulbs. These are living buds, and they contain all the important nutrients required to produce the year’s first blossoms. - Source: Internet
• If you have any other questions about your Irises, please feel free to E-mail us: orders@www.walking-p-bar.com, and we will gladly answer your questions relating to this bearded iris planting guide and iris gardening guide or any iris planting questions you may have about our gardening guide. - Source: Internet
• A good rule of thumb for planting Iris in groups is 6 to 12 inches apart. Because Iris thrives here I leave at least 12 inches so the new Iris can grow and increase. Increasing means making new rhizomes or bulbs you can divide out later for more Iris. - Source: Internet
• An advantage over the bearded iris, the English iris blooms later in the year, flowering in June and July. BlomsBulbs sells a mixture of what it called English iris (iris latifolia) bulbs that includes purple, white, blue and speckled iris. It says that, once planted, these iris should never be moved. - Source: Internet
• These numbers stand for the amounts of phosphorus and potassium in the mixture. Phosphorus and potassium are the key nutrients in root and bloom production. Another dose of fertilizer at half strength after fall dividing and planting will slow release throughout the winter and early spring. Though fertilizing can only help, it is certainly not necessary for growing a garden of beautiful irises. - Source: Internet
• Water: Japanese irises do not like to dry out. Constant moisture will reward you with healthy plants and larger blooms. Wet in the spring and keep moist all summer. They do very well near water (this is where they naturally grow) or where the water table is high. The crown of the plant needs to be above the water line. - Source: Internet
• Iris are usually shipped from growers in August and September in the U.S. and that is for a very good reason. The best time to plant iris is in late summer through early fall - Source: Internet
• 08 of 14 Water Well William N. Hopkins Bulbs are plants, too, so they appreciate a good drink after you plant them. This will encourage them to send out roots and become established more quickly. A good watering will eliminate air pockets in the soil that could cause your bulbs to dry out, too. - Source: Internet
• The iris borer life cycle begins with eggs laid by the borer moth in leaf litter at the base of the plant. Cleanup will keep those eggs from hatching and sending little borers into the rhizomes. Rarely will the borers kill the iris, but they will make them less productive. - Source: Internet
• In warm climates, the bulbs may begin to produce foliage in late fall and early winter. Flowers will follow in spring. In colder areas you will not see any foliage until spring. Feel free to cut the flowers for bouquets. This will not harm the bulbs. - Source: Internet
• Here are some inspirations for ways and places to use bulbs that you may not have thought of. One idea is to plant small early-blooming bulbs, such as many of the species tulips, where the ground is exposed in spring but will be covered in summer by spreading herbaceous perennials like Desert Four-O’Clock (Mirabilis multiflora), ‘Orange Carpet’ California Fuschia (Zauschneria garrettii), or Wine Cups (Callirhoe involucrata). Also, meadows and drifts of ornamental grasses are usually dormant until mid to late spring and present a perfect stage for a brilliant display of many types of early spring bulbs. Deciduous groundcovers that emerge in mid-spring, like Plumbago (Ceratostigma plumbaginoides), can partner nicely with Iris reticulata and small species tulips. - Source: Internet
• When they bloom: most bloom in the spring. Some bloom in June. Japanese iris bloom early summer to midsummer. - Source: Internet
• Where to plant – for best growth and bloom, iris need at least half a day of full sun. We’ve had success with plants receiving morning sun until 2:00 pm, then afternoon high shade. On the farm our irises receive 100 percent sun. Older, historic cultivars have been observed to tolerate more shade than some of the newer cultivars. - Source: Internet
• 07 of 14 Stop Weeds Marty Baldwin Besides being just plain ugly, weeds steal nutrients from the soil and may attract insects or diseases. The easiest way to prevent weeds from being an issue is to spread 2 to 3 inches of mulch over the soil. Your bulbs will easily push up through it, but most weed seeds won’t. - Source: Internet
• Most gardeners love the concept of spring-blooming bulbs, and there are enough good reasons for that as well. To begin with, the planting work, if you call it that way, is conducted in the fall. Now, that’s the best time when the daytime temperature is almost cool, and you can work comfortably. - Source: Internet
• To get a second season of blooms, remove the spent iris flowers, leaving behind as much of the stem and foliage as possible. Allow the remaining foliage to continue growing until it withers and yellows. During the summer months, while the bulbs are dormant, the soil should be kept quite dry. - Source: Internet
• Dutch iris (iris hollandica) have orchid-like flowers with silky petals and bloom later than bearded iris. Flower colors range from pale blue and lemon through deep purple, bronze, rose and gold. Dutch iris are popular with floral designers because they are dramatic, long-lasting and easy to arrange in a vase. - Source: Internet
• 11 of 14 Design Idea: Plant in Groups Jacob Fox Most bulbs look best when planted in big, irregular groupings (the more bulbs, the more impressive the impact) instead of straight rows. So try tossing them onto the ground and plant them where they fall. It’s fine if some bulbs are a little closer to each other than the recommended spacing—it adds to the natural look. - Source: Internet
• Planting bulbs too early can leave them susceptible to rot. If you put them in the ground in late August or early September, they might even be tricked into thinking its spring, and try to bloom! If you plant too early, they won’t bloom when they’re supposed to. Spring-flowering bulbs need time to chill in the ground before spring in order to bloom. - Source: Internet
• Keep in mind that bulbs planted in late January may have smaller blooms. On the other hand, planting bulbs in the winter can have a protective effect on bulbs. The ground will freeze faster after planting, which protects bulbs from hungry squirrels! - Source: Internet
• Improve your chances of bulbs blooming early and robustly by covering them in plastic and chilling them in the refrigerator until they sprout. (This process can take up to three months.) These bulbs can be planted in late spring. - Source: Internet
• When you plant too early while the soil is still warm, it prompts the bulb to grow from the top instead of essential roots. Professionals advocate that bulbs need to be planted around six weeks before the ground turns hard. Also, the ground temperature should not be more than 55 degrees Fahrenheit. - Source: Internet
• As said, the soil has to be soft and warm enough for the bulbs to establish roots before the earth begins to freeze. That way, the plant can start its life before the ground freezes. The newly formed roots will ensure that the bulb doesn’t get pushed away from the ground by cold. - Source: Internet
• Most gardeners in Colorado start planting spring bulbs in August or September. To prepare the bed, lose the soil around 8 inches deep. Besides, the optimal pH should be around 6 to 7. When working on Colorado’s clay soils, adding organic matter such as peat or compost becomes a necessity. The pointed side of the bulb should be up, and the root part should be down. - Source: Internet
• Dwarf irises or iris reticulata are one of the earliest spring bulbs to bloom and are ideal for naturalizing, spreading a carpet of blue under trees and shrubs. How deep do you plant them in the fall? Plant these petite beauties about 3” - 4” deep, just below the soil surface, water them well, and they will bloom in early spring. Group 6 dwarf iris bulbs per square foot for the best effect. - Source: Internet
• We have good news for you. It’s never too late to plant bulbs. (Yes, really!) All you need is to know the best tips and tricks to getting these spring beauties to bloom. - Source: Internet
• 02 of 14 Pick the Right Spot David Goldberg Even healthy bulbs will fail if they’re planted in the wrong spot. Most bulbs do best in full sun (at least 6 hours a day of direct sun) and well-drained soil. Check out our Plant Encyclopedia to learn more if you’re unsure how to plant bulbs and what conditions your bulbs need to thrive. Buy it: ProPlugger Planting Tool, $40 - Source: Internet

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