While I didn't finish the ornamental grasses in front (yet), I also moved on to a different spot: the raised vegetable bed on our back patio. Just like the grasses, this bed had some stems and seed heads that I left behind from last season's plants. Tomato bushes. Herb stems.
I took my pruners to those and cut them up into small segments. And left them on the top of the bed. You can see the 'chopped' mulch in the two photos below. I typically top this bed with a couple of bags of compost and/or mushroom compost, so this plant litter will get incorporated into the soil later this Spring.
Here, below, is a closer look at some of the stems. These are 'woody' for the most part, so I cut them down to about 1/2" pieces so they'll decompose a little bit faster than they normally would if left larger.
I'm not a pro when it comes to 'mulching in place', but I'm using it more-and-more each season. Here's a video from the Royal Horticultural Society that talks about using the 'chop and drop' method (embedded below):
They talk about how you shouldn't use the chop and drop for every perennial in the garden and call out hostas, specifically, as one you should compost during your clean-up. There's a bit in the video that explains monocot plants (like Hostas) that have a parallel vein structure (vs. dicots that have veins that are more 'net-like'). Monocots break down, they create 'fiber-y structures' with 'mushy material'.
The exception that the RHS calls out are ornamental grasses. Huzzah!
The benefits of chop-and-drop clean-up (per the RHS) include: soil enrichment (the cut-up bits are organic matter), is easy (no hauling away to compost bin), is natural (mimics what happens in nature), is good for critters (the cuttings feed the soil which feeds critters) and they end by saying..."if done properly"...it can "still look really great".
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