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Beginner Gardening Questions: Tulip Poplar and Japanese Magnolia-yellowing/dropping leaves

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Forum: Beginner Gardening QuestionsReplies: 3, Views: 27
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Gulfport, MS
(Zone 8b)

June 29, 2010
5:37 AM

Post #7929790

Ok, there has to be someone out there who can help! Short of sending a soil sample off to MSU for analysis does anyone have suggestions as to WHAT might be causing my tulip poplar and Japanese Magnolia to suffer from "failure to thrive?" I appreciate any suggestions ANYONE can offer!

Clark B.
Dublin, CA
(Zone 9a)

June 29, 2010
6:22 AM

Post #7929893

Can you post some pictures? Also a little more information would help--are these trees that are fairly new (planted this year or last year), or have they been around for a while? If they've been around for a number of years, have they been doing this every year or is this a new thing? What are the conditions they're in (sun/shade, etc)?

In the absence of any other information, I'd suggest checking your watering--yellowing/dropping leaves can be a sign of either too much or too little water.
Jackson, SC
(Zone 8a)

June 29, 2010
7:17 AM

Post #7930036

tulip trees like water and some shade. all the ones i have ever seen here are by lakes or streams and in the tree lines. I have one in full sun in my yard and its not happy. struggles. gotta give it plenty of water. It prefers deep, rich, and rather moist soil; not soggy if new will shed a few leaves.

mag can be water issues or sun issues too. they are more morning sun after noon shade or late day sun. treat just like a regular mag. I struggled with one for a year got off moms property due to renovations like them but not an easy thing to grow. i lost it during winter but today saw a small sprout at the bottom., so we will see.


Bardstown, KY
(Zone 6a)

July 2, 2010
10:22 AM

Post #7938049

Tulip poplars have a natural tendency for leaves to yellow and fall this time of year. It is nothing to worry about.

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