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Gardening

NRaleighLiberal

(60,812 posts)

4. The surface of the rhizomes like to be baked - direct sun on them. Over time they get covered up

Reply to Suich (Reply #2)

Sat Apr 20, 2013, 09:54 PM

Apr 2013

with mulch, leaves, soil. Each year you need to scrape them gently so that the rhizome surface is exposed. If you do that, and they get full sun, they should bloom again.

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3 years ago I planted 12 Dutch iris bulbs. [View all] Suich Apr 2013 OP

how deep did you plant them? Tuesday Afternoon Apr 2013 #1

About 2"-3". Suich Apr 2013 #2

are they getting enough sun? need at least 6 hours of sunlight a day. n/t Tuesday Afternoon Apr 2013 #3

They get enough sun. n/t Suich Apr 2013 #5

The surface of the rhizomes like to be baked - direct sun on them. Over time they get covered up NRaleighLiberal Apr 2013 #4

Yes...they have to have that exposure or forget it...nt snappyturtle Apr 2013 #6

These are bulbs. Suich Apr 2013 #7

Hmmm....as they say, that's very different! My Google search says 4 inches deep... NRaleighLiberal Apr 2013 #8

I'm bummed because all 12 of them bloomed the 1st year, Suich Apr 2013 #9

Letting the foliage go feeds the bulb....let it go (does it die back?) NRaleighLiberal Apr 2013 #10

They need a bonemeal or superphosphate fertilizer pscot Apr 2013 #11

Bonemeal it is! Suich Apr 2013 #12

Did you leave the vegetation until it turned yellow/brown? sinkingfeeling Apr 2013 #13

Yup! n/t Suich Apr 2013 #14

Do you cut the leaf back in mid summer? BlueToTheBone Jun 2013 #15