Nature and Gardening

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All things green, outdoors, and nature-y. Whether it's animals in their natural habitat, hiking trails and mountains, or planting a little garden for yourself (and everything in between), you can talk about it here.

See also our Environment community, which is focused on weather, climate, climate change, and stuff like that.

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Advice for growing Irish moss in the Seattle area? (self.greenspace)

submitted 1 year ago by mookulator to c/[email protected]

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I hope this isn’t too off-topic for this community.

I have an old grass patch that I want to replace with Irish moss. Would love some advice on how!

Location: Seattle, USA.

Space: 15x12 foot section, partly under a laurel and a deciduous tree.

Soil: I’m not at all knowledgeable about soil, but heres what I know… It was originally just dirt with a on old lilac in it, then the lilac was replaced by grass, then 95% of the grass died during a construction project last year. Now it’s hard-packed soil and random tufts. It gets a small amount of leaves and other debris from the trees above it.

Sunlight: Direct sun for about half the day, then shaded by a house. Sunnier at one end than the other.

Questions:

What organic material (if any) should I use to condition the soil? How should I apply it?
I’ve read that 5-5-5 NPK fertilizer is good for Irish moss, but also that too much nitrogen is bad. Should I go lower nitrogen? How much fertilizer anyway?
How often should I water? How thoroughly?
I bought a small number of plugs to experiment in one corner before going all out. What’s the best way to fill in between them with seeds?

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