Plant organ used for photosynthesis

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5
votes
0answers
22 views

Why are some leaves on my tomato seedlings turning dark and falling off?

I am trying my hand at balcony tomatoes and sowed some in mid March. I already transplanted them once from the seed nursery to small drinking cups of about 200ml. Since they were bending too much ...
3
votes
0answers
17 views

Only top leaves left on Euphorbia pulcherrima

Most leaves on my Euphorbia pulcherrima falled down, there are only left on the top of plant. It now looks a bit odd I'd like to ask what to do with it. Can I cut the top (will the top grow if I ...
3
votes
0answers
63 views

Strange brown/dead spots on leaves?

What I have here is a plant which is being affected by something which is making certain spots of its leaves appear to be unhealthy. Does anyone have any idea what's going on? Is this something that ...
3
votes
0answers
81 views

Why has my kiwi plant developed red leaves?

I have grown a kiwi plant which is growing nicely in my office. Recently, some leaves developed a red hue. What is happening here? Do I have to worry?