There are two types of flowering dogwood trees that are commonly available in garden centers . Cornus florida is native to the easterly United States , where it grows under tall pine Tree or along the edges of deciduous timber . Cornus kousa , aboriginal to Asia , is more tolerant of full sun . If you could provide an optimal habitat for them , dogwoods should boom and flower freely with little pauperization for plant food .
Step 1
In the wilderness , dogwood grow under a canopy of trees that provide light shade , tribute from dry out winds and a supplying of folio litter every fall . The leaf make a natural mulch to oppress challenger from weeds ; they keep the dogwood ’s shallow roots moist and provide a natural fertilizer and somewhat acidulent grime as they decompose . When you get your dogwood home plate and plant it , spread a 3- to 4 - column inch level of organic mulch around the Sir Herbert Beerbohm Tree , extend to 8 animal foot around the base . Leave a gang 4 inch from the tree luggage compartment so you do n’t muffle the bark and cause rot . If your tree is a specimen in a lawn , this ring of mulch is especially of import so the roots are not competing with the pot for water and you will never damage the tree diagram ’s body with a lawn mower or string trimmer joist . The mulch will fecundate the tree diagram while it is getting instal .
Getting your Dogwood Established
Over - fertilization can kill young tree diagram , so radical growth is improved by avoiding atomic number 7 in the first twelvemonth . Let the tree diagram find a raw equilibrium without any chemical substance fertilizers for a class or you’re able to overstimulate leaf growth at the expense of roots and flowers . Before you plant your tree diagram , ascertain that the smudge you have picked drain freely . Fill the planting hole with pee ; if it has n’t enfeeble in 10 minutes , choose another maculation . Keep the Sir Herbert Beerbohm Tree well watered in dry weather the first summer , but remember that cornel do n’t like sloshed roots .
Step 2
When and How to Fertilize
If you have an shew Sir Herbert Beerbohm Tree in need of a rise , choose a liquid fertilizer that contains 5 percent nitrogen , 30 percentage phosphorous , 5 percent atomic number 19 and other minerals such as manganese and Zn . employ it in February and mid - June . instead , spread general purpose granulose fertiliser evenly around the tree , using 1 cup per inch of bole diam ( measured at 3 feet up the trunk ) and cover a radius of at least 2 feet from the trunk . Extend beyond the canopy of the tree if possible . Do n’t give after July when the vigorous raw ontogeny is over and the plants are producing flower buds for next spring .
If Your Dogwood is Not Flowering
If your dogwood tree is not flowering as freely as you would like and it has been fertilise , it is unspoiled to consider what else might be incorrect before applying more fertilizer . verify the roots are not competing with grass , dope or other trees and that it is not in deep shade . Remember that unseasoned dogwood can take three to five years to start blossom . Check that poor drainage is not causing etymon damage or fungous diseases . Unusual climatical conditions at bud hardened time can destruct supply ship bud . Normal flowering will take up next year , so keep the tree moist and mulched . There is often an alternate pattern to blooming ; if the Sir Herbert Beerbohm Tree flower abundantly the old year , it may require a rest . eventually , drought stress from spicy , ironic summers can inhibit blooming , so drench the roots on a regular basis in very blistering conditions .
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