Hardy herbaceous perennial plants

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Pt. 2 - Sheet Mulching around Perennials

2003-06-26 17:59:09 by pro

Sheet mulching around your perennials will require more work. Keep mulch 6 to 12 inches away from woody perennials and several inches from herbaceous. Weeds growing close to their root crowns will need to be hand weeded if possible.
For weeds you cannot kill that way, carefully wipe their leaves with Roundup. Attach sponges to the tips of spring-loaded meat tongs with rubber bands, dip them in Roundup and wipe both sides of the leaf.
Weed the area near the perennial crowns first then sheet mulch keeping the sheet away from them and thin out the mulch as it gets close to the woody stem


Despite soft wood cuttings these are hard wood +

2004-11-11 13:59:30 by AnitaMoPlants

Woody herbaceous plants which take a lot longer to send out roots than many true softwood herbaceous perennials .
The temperature and amount of light is going to have a large impact on how well your propagation goes.
You will do best with bottom heat and good bright light.
If you don't have a heating mat then a cold frame with a gravel bed facing south west would be best.
You can increase and dispell accumulated daytime heat by placing clear jugs of water ( empty milk jugs ) near your cold frame and or place your coldframe near a rock wall.
If you don't have a cold frame , which is pretty inexpensive to make, then you are going to have a rough go of it doing herbaceous cuttings during these cold months.


Have to change the struture

2007-03-27 11:57:13 by bockman

You don't need fertilizer, you need vast amounts of organic material. Very few cultivated herbaceous perennials and woody plants enjoy heavy clay as a growing medium, at best some will tolerate it.
Top dressing with things like good compost, composted cow manure, stable tailings, shredded leaves, thin layers of green grass clippings, pine needles, etc. will start the process of good soil structure as all that material slowly leaches downwards.


Powdery Mildew?

2004-06-30 12:00:01 by pro

Glad you didn't put it there! But, seriously, it's pretty common for Dahlia's to get PM. They won't die from it. Dahlias are herbaceous perennials so they die back naturally every year. Next year you'll have fresh, new, clean foliage (for a while) and you can try to prevent it from spreading before the leaves get yucky.
"Cultural Practices: Shade and moderate temperatures favor most powdery mildews. Locate plants in sunny areas as much as possible, provide good air circulation, and avoid excess fertilizer. A good alternative is to use slow-release fertilizer


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