Heat temperatures and humidity are key to growing polka dot plants. Expect to water repeatedly except you get sufficient rainfall. Polka dot plants bloom sporadically, typically through the summer time, 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 also wants regular feeding all through the spring to fall growing season. In the U.S., it is not invasive and is secure to plant in-floor. In the U.S., it's not invasive and is safe to plant in-floor. Decide a planting site that is not in low gentle or an excessive amount of mild or else you possibly can count on the foliage colours to fade, lessening the plant's ornamental worth. When grown outdoors, polka dot plants like a spot with some shade. Vibrant, indirect mild is right indoors, similar to from an east- or south-going through window. Polka dot plants choose organically wealthy soil with good drainage. Combine in some pumice or perlite to enhance soil drainage. An all-goal organic potting combine is often appropriate for these plants. Avoid letting the soil fully dry out, which could cause the foliage to wilt and make the plant wrestle to survive. These plants like a moderate quantity of moisture in the soil always. Water the plant when the top half-inch of soil has dried out. Give sufficient water to moisten the soil evenly. By no means let the soil turn out to be soggy, which could cause root rot and kill the plant. You might want to water container plants more regularly than in-floor plants. Slightly reduce watering within the winter and resume your routine as soon as growth picks up again within the spring. These plants like humid circumstances, preferring a minimum humidity degree of fifty clay pots for plants p.c. Polka dot plants are solely hardy in USDA growing zones 10 and 11, preferring temperatures over 60 levels F. They ought to be planted outdoors in the spring after the threat of frost has handed and brought inside should you plan to overwinter them properly before the first frost of the fall. Feed container plants with an organic fertilizer designed for houseplants once a month throughout the warm rising season. If you want to lift the humidity, you possibly can mist your plant’s leaves or place its pot on a tray filled with pebbles and water as long as the underside 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. Within the main species, Hypoestes phyllostachya, there are numerous varieties; all are bred for their leaf coloration. Polka dot plants are likely to get leggy. You’ll need a pair of unpolluted, sharp scissors or pruning shears to keep the plant from developing long, lanky branches. To advertise a bushier growth behavior, reduce or pinch back the highest two leaves on each stem weekly. Though flowers sound good, it is best to clip them when they start appearing to increase the growing season of your polka dot plant. The flowers aren't as ornamental as the leaves anyway. The plant will die off or enter dormancy as soon as it has completed flowering. Actively trimming will help the plant to grow healthier and more vigorously. Polka dot plants will be grown from seeds or stem cuttings. If you're starting from seeds, sow them within the early spring. You'll be able to propagate from cuttings anytime; nevertheless, your success rate of rising a healthy plant will likely be finest within the spring or summer time. Trimming your polka dot plant is a good way to maintain a bushier, healthier plant. If you reside in a non-tropical local weather, your polka dot plants will die as soon as the first frost comes. In the event you notice your plant is dying outdoors, stem chopping is a superb approach to revive your plant indoors. Let's examine how to propagate your polka dot plant from a stem cutting rooted in water or moist soil. 1. To propagate the polka dot plant using stem cuttings, you'll need a sterilized pair of scissors or shears. You'll need a clean jar of water or a pot with a properly-draining potting mix or peat moss. Optionally, you should utilize a rooting hormone. 2. Cut a bit of stem from any a part of the plant but make sure you've at the least 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 adding water as it evaporates. It could possibly take two weeks or several months before the basis grows about 2 inches. Every other week, change the water solely to inhibit bacterial or algae development until the basis grows as much as 2 inches long. 4. If rooting in the soil, place the recent-lower end of your slicing into potting combine or peat moss and keep it evenly moist. 5. Cowl the reducing with clear plastic wrap till the stem develops leaves or different obvious progress. Optionally, you'll be able to place some rooting hormone on the contemporary-reduce finish before planting it about an inch deep within the soil to aid the rooting process. It will possibly take several weeks to a number of months. 6. To check if the slicing has set roots, gently tug at the slicing to see if it has give or if roots keep the stem rooted in the soil. Only transplant the reducing exterior as soon as the risk of frost is gone. 7. The plant's slicing is able to be repotted once the chopping has established several inches of latest development. Place the plant in a sunny location. Sow seeds on the surface of heat, moist soil. The seeds should sprout in a number of days. Only plant outdoors after the menace of frost is over. As soon as the seedling has grown a number of inches-usually in a few weeks-it is ready to transplant into a bigger container or plant outdoors. Its roots have nowhere to grow. If a plant outgrows its container, it becomes pot bound or root bound. A sure signal 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 in the spring after its dormant period. Gradually increase the plant's pot measurement. Too massive a pot encourages the roots to give attention to rising beneath the soil line, which is not good for the plant's upward progress. Since this plant is a tropical plant, it won't survive frosty weather. The brand new pot shouldn't be more than two inches wider and not more than two inches deeper than the old pot. If saved outdoors in a container, carry these plants indoors to a partially sunny indoor spot. Earlier than the first frost, you'll be able to lower stems from the plant, root them indoors in a small potting container or jar of water. In the spring, you'll be able to replant it in the garden after the risk of frost is over. Frequent 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 these bug infestations or illness embrace foliage that's discolored, leaves that have holes or otherwise appear unhealthy, and small bugs shifting on the plants. The shortening of daylight hours tells the plant that the rising season is coming to an in depth, encouraging its flower progress. Its small lilac or pink-coloured racemes or flower stalks are insignificant and never recognized for their scent or look. This plant flowers in late summer or early fall. When flowers emerge, it triggers plant to begin to go dormant. So, in most cases if you need your plant to final longer, it is best to chop or clip off the flowers as they start forming. Listed here are the most typical problems and some potential solutions. Curling leaves and fading leaf coloration are typically attributable to a lot sun or too little. Polka dot plants are comparatively straightforward to grow when you get their rising situations right. However, it must be kept out of hot, direct sunlight. Hypoestes phyllostachya wants shiny, indirect light to take care of its colour. If it's in a container, move it to a shadier spot. If it's in-floor, assume about giving it some cover. Insufficient water and humidity could cause the polka dot plant's leaves to turn brown or start drooping. Also, too much sun can burn the leaves. Laborious water and overfertilization are other reasons for a polka dot plant's leaves turning brown. Overwatering causes yellowing of the plant's leaves. Alter your humidity or watering habits to see if you'll be able to revive the plant. Overwatering can even result in other extreme problems like root rot and powdery mildew. For those who notice leaves yellowing, scale back the amount of water you give the plant and ensure you're using potting soil with good drainage. Soggy soil causes the yellowing of the leaves and leaf drop. Polka dot plants are easy to maintain and propagate. Are polka dot plants straightforward to care for? How briskly does polka dot plant develop? It may sometimes be troublesome getting its growing circumstances perfect, but once established, it is often good to go. These plants have a average development fee, though they are likely to get picky with their growing circumstances and tend to slow down their development price if they aren't excellent. Polka dot plants often complete their life cycle within a year. How long can polka dot plant stay? However, you may prolong their life by propagating stem cuttings at the top of the rising season.