Phlox, coneflowers, Russian sage, butterfly bushes, liatris, and grasses are companion plants for daylilies.
As long as the soil is warm enough to grow plants and the daylilies can be seen, you can divide them.
Rabbits and deer eat daylilies. Even cats will chew on daylilies.
Daylilies, potatoes, sweet potatoes, radishes, turnips, and carrots have tuberous roots.
Many plants reproduce both sexually and asexually. Daylilies can be spilt into multiple plants from the tubers and roots. Geraniums can start new plants from cuttings.
There are daylilies in most temperate locations.
Yes. Daylilies can be grown in pots.
The wild type (common) daylily is in the family Xanthorrhoeaceae. The common daffodil is in the family Amaryllidaceae. They are both members of the Order Asparagales (bulb plants)
Daylilies are very hardy. The pests that bother daylilies are rust, thrips, spider mites, snails, and crown rot.
An easy plant for beginning gardeners would be daylilies. Hemerocallis or daylilies are hard to kill, come in over 7000 varieties, and don't get many pests.
Most likely it is because your daylilies have too little or too much water. If you are concerned by the soil, have it tested and ask the expert what amendments you need for your daylilies. Most daylilies are very hardy.
Iris is toxic to cattle but daylilies are not toxic.
Daylilies, potatoes, sweet potatoes, radishes, turnips, and carrots have tuberous roots.