Because they are so easy to grow and care for, not too mention the massively wide range of flower colors, Daylilies are among the most popular perennial plants in North America. 

Here's a breakdown of what you need to know regarding caring for and maintaining Daylily plants...


Fertilizing Daylilies


Daylilies will benefit from fertilization. Feed in early spring with a flower fertilizer or a natural organic plant food. After first round of flowers spent flowers stems can be removed and plants can be fed again.


Soil pH

Daylilies grow and flower best in a moderately acid to alkaline soil ranging from 6.0 to 8.0 on the pH scale. Most average garden soils fall between a pH range of 6.0 to 7.0. 


How To Test Soil pH  Soil pH is a measurement of the alkalinity or acidity of soil and is measured on a scale of 1-14, with 7 as the neutral mark. Any measurement below 7 indicates acid soil conditions, and anything above 7 indicates alkaline. If you're unsure about the pH of your soil, or whether or not it's suitable for growing Daylilies, it's a good idea to test the soil pH in the planting area. You can quickly test soil pH with an inexpensive soil pH tester probe. To raise the pH (make more alkaline) you can add pelletized limestone to the soil. To lower the pH (make more acid) you can apply Soil SulfurAluminum Sulfate, or Chelated Iron. Adding organic compost to the soil or using compost as mulch can also help to increase acidity and maintain acid soil conditions.





Watering Liriope

Daylilies prefer a moist but well-drained soil. When established they can tolerate dry periods but require a moist soil when becoming established. As with many other ornamental plants, they do not like constantly soggy or wet soil, which can lead to root rot and other plant diseases. So be careful not to overwater!


After Planting 

Immediately after planting deep soak the soil in the planting area to a depth of at least 6 inches. An application of Root Stimulator will provide an extra boost to stimulate early root formation and stronger root development, which reduces transplant shock and promotes greener, more vigorous plants.



During the First Active Growth Season

In average garden soil you should not have to water your newly planted Daylilies every day. More often than not, this causes soggy soil conditions that can lead to root rot and other plant diseases. In the absence of sufficient rainfall, water only as needed to keep the rootball and surrounding soil damp to moist. Keep in mind that deep soaking less frequently is much better than splashing just a little water on the plants every day. Plants planted during the winter dormant season, when not actively growing and evaporation is much slower, will require much less water. So, be extra careful not to overwater during winter!



Thereafter

When established, Daylilies are fairly drought tolerant. During prolonged periods of summer drought plants will appreciate occasional deep soakings. If you see foliage wilting or discoloring check soil moisture and give plants a good deep soaking if necessary.



Watering Daylily Plants In Containers

Daylily growing in containers will require closer attention to soil moisture. Check soil moisture regularly and provide water if the top inch or two of the soil is somewhat dry to dry. During cooler months daylilies growing in containers will not require as much water.


Important Tip:  When watering with an automated irrigation system it's best to set your timer to water during the early morning hours and not in the late evening or at night, which can lead to the onset of fungus and other foliage diseases. During the first few weeks after planting, check soil moisture often and adjust irrigation time if necessary to keep the soil moist, not wet.


Pruning Liriope


Daylilies don't require much if any pruning. That said, the removal of spent flowers stems can encourage rebloom. Damaged or broken leaves can be removed at any time during the season.






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