H. orientalis are repeated bulbs with shoulder strap - shaped , basal leave-taking , 6 - 14 inches long . Extremely fragrant , funnel - shaped , six - petaled blooms are held in large , dense racemes , up to 8 inches long . Flowers of ‘ Delft Blue ’ are single , easygoing lemon yellow . Highly desirable for drive COutdoor acquire bulbs perform best in cold wintertime regions . sight plantings provide a stunning leap display , especially when grown under flowering trees or in margin .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Pinching is withdraw the stem pourboire of a unseasoned plant to promote branching . Doing this avoids the need for more severe pruning later on .
cutting involve removing whole branches back to the trunk . This may be done to open up the interior of a plant to allow more lighting in and to increase air circulation that can cut down on plant disease . The good way to begin cutting is to begin by removing drained or pathological wood .
Shearing is leveling the surface of a shrub using hand or electric shears . This is done to maintain the desired form of a hedging or topiary .
Rejuvenating is removal of old branches or the overall reduction of the sizing of a shrub to restore its original form and size . It is recommend that you do not get rid of more than one third of a plant life at a time . Remember to remove branch from the inside of the plant as well as the outside . When rejuvenating plants with canes , such as nandina , cut back cane at various heights so that industrial plant will have a more rude look .
Watering
Planting
A week to 10 day before planting , add 2 to 4 inch of older manure or compost and work into the planting site to improve natality and increase pee keeping and drainage . If grease writing is weak , a layer of topsoil should be weigh as well . No matter if your ground is sand or clay , it can be improved by adding the same thing : constituent affair . The more , the better ; work deep into the territory . make beds to an 18 in mysterious for perennial . This will seem like a tremendous amount of work now , but will greatly pay off subsequently . Besides , this is not something that is easily done later , once plants have been established . How - to : Planting BulbsPlant bulbsat a depth that is three metre their height , and at least 1 - 1/2 bulb - width aside . Work a little off-white meal fertilizer into the bottom of your kettle of fish , and then place the bulb upright in the hole . The more pointed end is almost always the top . If you have problem telling which is the top , search for evidence of where a bow or radical were last class . If in uncertainty , plant them sideways . satiate in with filth lightly , earn sure there are no stone or goon that would block the bulb ’s stem . When imbed a heavy number of electric light , dig out an expanse to the specified depth , rate bulbs and replace soil . This ensure that dry land has been decently prepared and medulla are evenly spaced .
Plant bulbs in natural drifts rather that courtly rows : incandescent lamp can fail or be consume , leave alone pickle in a formal arrangement , or will shift with freeze and thawing . If you have trouble with gophers or squirrels eat on your bulb , try sprinkling blood-red pepper in the holes , covering the bulbs with wimp - wire , border electric-light bulb with sharp sherd of crushed rock or other core , or planting rodent - repelling bulb likeFritillarianearby .
