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The Iris ( EYE - ris ) genus is passably complex for its size of about 300 species . This genus has five subgenres , some of which have their own sections .
The subgenus Iris is perhaps the most popular , containing the renowned whiskery irises .
Bearded irises ( also make out as Pogon irises ) are one of six division in the Iris subgenre and can be much pickier than their relatives .
Dividing a bearded iris when divide other iris diaphragm may lead in the iris diaphragm give out to flower the next year .
When To Divide Bearded Iris
Summer is the skillful time for dividing if you want blooms the following yr .
But , there are some other point to count when dividing a whiskery flag .
Picking The Best Time To Divide
There are a few signs that it ’s time to separate your bewhiskered sword lily .
As a general pattern , rhizomatous irises ( subgenera Iris and Limniris ) will ask to be separate every 3 to 5 year .
The clump will begin to flower less due to overcrowding .
And it ’s not unusual for the oldest part ( often in the midsection of theBearded Iris cluster ) to pall out .
Bearded irises bloom in the spring , making the best time for dividing during the summer month , most often in July or August .
This not only allows you to savour these beautiful flower , but it also give the divided plant sentence to establish itself before winter .
Uprooting The Iris
Here are the whole step to follow :
Selecting Division Points
This is an ideal time to check for discredited or diseased rhizomes and choose the healthiest percentage for naval division .
Closely match for any sign that suggest the presence of iris borer , including :
These are all signaling that you should cast away the rhizome .
You ’ll want to check for firm , loose - colour rhizome sections that are at least 1″ inch wide and 3″ inches long .
The rhizome should also have a fan of at least 4 leaves and healthy roots growing from it .
A rootstock that has suffered some rot wrong may be salvageable if you may remove the rot down to salubrious white tissue .
But this is rarely necessary unless there are no healthy rootstalk left .
Division
The partitioning is a straightforward operation done by the next steps :
The rootstalk can exist a few days before replant if you want to let the wounds bring around .
Or , you may plant them directly .
They do n’t have a prospicient ledge life , so it ’s best to plant within 48 to 72 60 minutes .
One popular method acting of immunize the rhizome is to soak them in a solution of 1 part bleach to 10 parts water for 30 minute . Then permit them dry .
This method can kill any pests or fungi on the rhizome that you missed and give the rhizome a little extra protection once it ’s planted .
Planting The Rhizomes
Before planting , check the stand for daub to ensure it has at least 6 to 8 time of day of full sun per daylight .
Also , do a filth check to see if you need to amend it .
Here are the follow tips for plant :
remark that you may get only a few efflorescence the first spring after plant , but the twelvemonth after will more than make up for it .
