Warm temperatures and humidity are key to growing polka dot plants. Count on to water commonly except you get sufficient rainfall. Polka dot plants bloom sporadically, usually during the summer season, with small lilac or pink-colored flowers on spikes. Pinch off these flower spikes to maintain the plant’s power centered on rising its vibrant foliage. Polka dot plants have grow to be a problematic, aggressive grower in Queensland and New South Wales, Australia. This plant additionally needs regular feeding throughout the spring to fall rising season. Within the U.S., it is not invasive and is protected to plant in-floor. In the U.S., it isn't invasive and is safe to plant in-ground. Pick a planting site that is not in low mild or an excessive amount of gentle or else you'll be able to count on the foliage colors to fade, lessening the plant's ornamental worth. When grown outdoors, polka dot plants like a spot with some shade. Vivid, oblique gentle is right indoors, akin to from an east- or south-going through window. Polka dot plants choose organically wealthy soil with good drainage. Mix in some pumice or perlite to enhance soil drainage. An all-goal organic potting combine is typically suitable for these plants. Keep away from letting the soil fully dry out, which may cause the foliage to wilt and make the plant struggle to survive. These plants like a moderate amount of moisture within the soil at all times. Water the plant when the highest half-inch of soil has dried out. Give enough water to moisten the soil evenly. By no means let the soil develop into soggy, which may cause root rot and kill the plant. You will need to water container plants extra regularly than in-ground plants. Slightly cut back watering within the winter and resume your routine as soon as development picks up again within the spring. These plants like humid conditions, preferring a minimum humidity stage of 50 %. Polka dot plants are solely hardy in USDA growing zones 10 and 11, preferring temperatures over 60 levels F. They ought to be planted outside within the spring after the threat of frost has handed and introduced inside if you happen to plan to overwinter them nicely before the first frost of the fall. Feed container plants with an organic fertilizer designed for houseplants once a month in the course of the heat rising season. If you need to lift the humidity, you'll be able to mist your plant’s leaves or place its pot on a tray full of pebbles and water so long as the bottom of the pot isn’t touching the water. These plants are heavy feeders. If planting in-ground, mix a layer of compost into the soil each spring. Inside the main species, Hypoestes phyllostachya, there are a lot of varieties; all are bred for their leaf coloration. Polka dot plants are likely to get leggy. You’ll want a pair of unpolluted, sharp scissors or pruning shears to maintain the plant from growing long, lanky branches. To advertise a bushier development habit, reduce or pinch again the highest two leaves on every stem weekly. Though flowers sound nice, it's best to clip them when they start appearing to extend the growing season of your polka dot plant. The flowers aren't as ornamental because the leaves anyway. The plant will die off or enter dormancy as soon as it has finished flowering. Actively trimming will help the plant to develop healthier and more vigorously. Polka dot plants may be grown from seeds or stem cuttings. In case you are beginning from seeds, sow them within the early spring. You may propagate from cuttings anytime; nonetheless, your success rate of growing a healthy plant shall be finest in the spring or summer season. Trimming your polka dot plant is a great way to take care of a bushier, healthier plant. If you reside in a non-tropical local weather, your polka dot plants will die once the first frost comes. In case you discover your plant is dying outdoors, stem slicing is a good strategy to revive your plant indoors. Let's examine how one can propagate your polka dot plant from a stem reducing rooted in water or moist soil. 1. To propagate the polka dot plant utilizing stem cuttings, you will want a sterilized pair of scissors or shears. You'll need a clean jar of water or a pot with a properly-draining potting combine or peat moss. Optionally, you should use a rooting hormone. 2. Reduce a chunk of stem from any a part of the plant however ensure that you've gotten not less than a 2-inch piece. If rooting in soil, you will have clear plastic wrap. A 4-inch piece is ideal. 3. If rooting in a jar of water, keep the water stage even by including water because it evaporates. It might probably take two weeks or a number of months earlier than the root grows about 2 inches. Every other week, change the water solely to inhibit bacterial or algae growth till the basis grows up to 2 inches lengthy. 4. If rooting within the soil, place the recent-reduce end of your reducing into potting mix or large outdoor plant pots peat moss and keep it evenly moist. 5. Cover the reducing with clear plastic wrap until the stem develops leaves or different apparent progress. Optionally, you'll be able to place some rooting hormone on the fresh-lower end earlier than planting it about an inch deep within the soil to help the rooting course of. It can take several weeks to several months. 6. To check if the cutting has set roots, gently tug on the reducing to see if it has give or if roots keep the stem rooted within the soil. Only transplant the reducing outside once the menace of frost is gone. 7. The plant's slicing is able to be repotted as soon as the cutting has established a number of inches of recent progress. Place the plant in a sunny location. Sow seeds on the surface of warm, moist soil. The seeds ought to sprout in a few days. Only plant outdoors after the risk of frost is over. Once the seedling has grown a number of inches-usually in a couple of weeks-it is able to transplant into a bigger container or plant outdoors. Its roots have nowhere to develop. If a plant outgrows its container, it turns into pot sure or root certain. A certain sign your plant has outgrown its pot is when the roots start growing out of the drainage holes. The perfect time to repot a polka dot plant is within the spring after its dormant period. Steadily enhance the plant's pot size. Too large a pot encourages the roots to focus on growing beneath the soil line, which is not good for the plant's upward growth. Since this plant is a tropical plant, it will not survive frosty weather. The brand new pot should not be greater than two inches wider and not more than two inches deeper than the outdated pot. If saved outdoors in a container, bring these plants indoors to a partially sunny indoor spot. Before the primary frost, you possibly can reduce stems from the plant, root them indoors in a small potting container or jar of water. In the spring, you possibly can replant it within the backyard after the risk of frost is over. Common pests that enjoy polka dot plants are mealybugs, aphids, and whiteflies. Typical diseases related to polka dot plants are root rot, leaf-spot diseases, and powdery mildew. Telltale signs of those bug infestations or disease embrace foliage that's discolored, leaves which have holes or otherwise appear unhealthy, and small bugs shifting on the plants. The shortening of daylight hours tells the plant that the growing season is coming to a detailed, encouraging its flower development. Its small lilac or pink-colored racemes or flower stalks are insignificant and not identified for his or her scent or appearance. This plant flowers in late summer or early fall. When flowers emerge, it triggers plant to start to go dormant. So, in most cases if you would like your plant to final longer, it is best to chop or clip off the flowers as they start forming. Here are the commonest problems and some potential options. Curling leaves and fading leaf color are typically attributable to too much solar or too little. Polka dot plants are relatively straightforward to grow when you get their rising conditions right. However, it needs to be kept out of hot, direct sunlight. Hypoestes phyllostachya wants vivid, indirect gentle to keep up its shade. If it's in a container, move it to a shadier spot. If it's in-ground, suppose about giving it some cover. Inadequate water and humidity may cause the polka dot plant's leaves to turn brown or start drooping. Additionally, too much solar can burn the leaves. Arduous water and overfertilization are other causes for a polka dot plant's leaves turning brown. Overwatering causes yellowing of the plant's leaves. Modify your humidity or watering habits to see if you can revive the plant. Overwatering also can result in other severe issues like root rot and powdery mildew. If you notice leaves yellowing, cut back the quantity of water you give the plant and ensure you are utilizing potting soil with good drainage. Soggy soil causes the yellowing of the leaves and leaf drop. Polka dot plants are easy to take care of and propagate. Are polka dot plants easy to care for? How fast does polka dot plant develop? It could typically be tough getting its rising circumstances excellent, but once established, it is often good to go. These plants have a average development price, although they are likely to get picky with their rising conditions and are inclined to decelerate their growth rate if they are not perfect. Polka dot plants usually full their life cycle within a year. How lengthy can polka dot plant live? However, you'll be able to prolong their life by propagating stem cuttings at the tip of the growing season.