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Gardening

Find tips and tricks to make your garden or allotment flourish on our Gardening forum.

Anybody successful with geraniums?

8 replies

smallglassbottle · 29/07/2025 20:30

I love geraniums and have six. I am struggling however. The leaves go yellow, then brown, then fall off, they grow leggy and just don't look that happy.

I have tried putting them in a sunny window and they struggle. I've tried putting them in a less directly sunny window and they struggle. I water about twice a week. I turn their pots. I sometimes repot them. I allow them to dry out between watering. These are all the combinations of care and still they struggle. They are kept indoors mainly with the odd day outside. I did plant some outside once and their leaves went red and they died ? too sunny.

Does anybody have a definitive bomb proof way of caring for these plants?

OP posts:
jjeoreo · 29/07/2025 20:32

Where are you based? I'm in West Midlands and they are native here, growing wild everywhere in ny Gardens and countless others. They are like ground cover. But I think the soil is supportive of that. Don't ask me any more questions, I'm not a gardener. Not even sure I mean native.

soupyspoon · 29/07/2025 20:34

Ours are outside in the more shady bits and they're ok. If I tended to them they could be even better

stayathomegardener · 29/07/2025 20:36

Do you mean Geraniums or Pelagoniums?

WhereAreWeNow · 29/07/2025 20:37

They're the only thing I can grow successfully! Mine like full sun and not too much faffing or water.

AlwaysGardening · 29/07/2025 20:42

I think you are describing Pelargoniums rather than Geraniums. Pelargoniums are South African sub-shrubs which are not hardy in the UK. They need plenty of sun and a tomato feed keeps them flowering. Geraniums are hardy herbaceous perennials and grow in a range of situations according to species.

smallglassbottle · 29/07/2025 21:11

Yes, they might be perlagoniums actually. I can buy a tomato feed.

OP posts:
BarnOwlFlying · 29/07/2025 22:27

Outside in a (prefers terracotta) pot with good drainage and as much sun as you can give them. Water every day/every other day. Put some plant food in the water once a week. Keep deadheading. I cut off the lower leaves when they go yellow. If it develops one big/long stalk, I also cut that back to a leaf to make it branch more (otherwise they snap off in wind).

Jellybean23 · 29/07/2025 23:11

I have tried feeding mine with Miracle Grow liquid feed and tomato fertiliser over the years but the best of all (IMO) is Miracle Grow Evergreen liquid lawn feed. Water with a weak solution and the plants pep up noticeably within a week. They are greener and put on a growth spurt. New buds form on the woody stems. Still masses of flowers despite it being a high nitrogen feed. Works a treat on tubs of mint too.

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