Care Apply a well-balanced, slow-release fertilizer after planting or when growth emerges in the spring. Keep the soil moist but not wet. Place mulch around the plants to help retain moisture. Remove flower stalks after bloom to encourage new growth. Click to see full answer. Correspondingly, are hostas easy to maintain?Hosta plants are a perennial favorite among gardeners. Their lush foliage and easy care make them ideal for a low maintenance garden. While hosta care is considered easy, it helps to know a little bit about how to grow hostas to help the plants reach their full garden potential.Also Know, how often should hostas be watered? In an ideal hosta garden, the plants would receive generous watering all season long. A slow, deep soaking of around an inch of water per week through the growing season is perfect. A single deep soak every week is always better than multiple, light waterings. Beside above, how do you take care of hostas in the winter? Hostas don’t stay green all winter, so after the first frost of fall, you’ll probably want to cut them back – otherwise they’ll look dried out and dead all winter long. Use pruning shears or a scissors to cut them back to a couple of inches. They’ll come back out in the spring. You can also cut hostas flowers.How do you keep hostas small?To keep the little hostas looking their best, you need to mulch them. This prevents the soil from splashing up– a good rain will leave the plant covered in mud, Kathy said. You can’t use big clunky wood chips as mulch because they will look out of scale next to the tiny plants.