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Hoya has hundreds of species. The Hoya Linearis has a unique appearance with its long fuzzy stems, which give it a curtain-like appearance when hung.
Other common names include wax vine, porcelain vine, and wax vine. According to the University Botanics Garden Ljubljana, it is found in the Himalayas of Asia.
According to many growers, this species has weak roots and needs a great environment to flourish.
Hoya Linearis need to be watered only when the soil is dry to the touch. It should be planted in fertile, well-draining soil.
Use a balanced fertilizer during the growing season.
This rare variety is very hard to find. Congratulations if you did manage to find one! Next, take care of your Hoya Linearis.
Hoya Linearis is different from other Hoyas because it doesn’t have large, thick, waxy, hoya-like leaves. The leaves are instead thin, soft and slightly hairy.
The delicate plant can reach maturity in 3 to 5 years. The leaves can grow up to 2 inches (5 cm) in length and have deep grooves on the underside.
Lax umbels measure approximately 1.5 inches (3.7cm) and 10 to 13 white flowers measure approximately 0.5 inches (1.25 cm). The flowers are pink-coloured with yellowish-white coronas.
Hoya Linearis is very popular among houseplant growers. If you’re one of these people, read on.
This article contains all of the care instructions you need for your Hoya Linearis, as well as the most frequently asked questions.
Basic care for Hoya Linearis
Hanging planters will love the bright green leaves of this plant. You can grow Hoya Linearis indoors if you create the conditions that Hoya Linearis thrives in.
This plant grows as an epiphyte. Therefore, keep the indoor conditions consistent with that.
Hoya Linearis plants will thrive in a potting mix that is free from drainage. Your Hoya plant will be happy in fertile, well-aerated soil. You can make your organic potting mix using a 1:1 ratio of perlite, orchid bark, and cacti soil.
Perlite can be added to improve drainage. This is essential for epiphytes plants.
A different mix is suggested by some horticulture experts for Hoyas. It consists of 2 parts soilless mix and 1 portion of fine-grain bark mixture. Perlite can be substituted for fine grain.
Whatever option you choose to use, the mixture must be light and airy. This will allow water to drain easily and prevent pooling which can lead to root rot. Maintain a soil pH between 6.1 and 7.5.
Hoya Linearis can be grown easily if you keep the soil dry but also maintain the required watering.
It is recommended to grow it outdoors in USDA hardiness zones 11a-11b. You should choose a frost-free location with moist, well-draining soil and a sunny spot with shade during the day.
Hoya Linearis Watering
During the active growth season, water your Hoya Linearis only moderately. Between watering, let the top layer of the potting mixture dry.
Hoya Linearis leaves are different. They are longer and softer than other species’ leaves and can hold more water.
Houseplant care is often a failure because of insufficient watering or soil moisture. Between waterings, Hoya plants need to dry well.
When watering the plants, make sure to let the potting medium soak in water. Allow the soil to soak in water until it is completely saturated. Drainage holes will allow any excess water to drain through.
It should be watered weekly in summer. Winter will see a decrease in light and lower temperatures indoors, which can slow down or stop plant growth. To prevent drying out, water the plants lightly during the dormant or rest period.
Hoya plants should not be overwatered. The extra water will only cause damage. The excess water will attract unwanted pests and cause root rot.
Watering the plant at inappropriate times is another consideration. Avoid watering the plant at night because it will slow down the rate of evaporation when the temperature drops.
The plant could be left in soggy soil for long periods. Houseplants should be watered in the morning.
You can either filter the water or leave the tap water to sit overnight for the impurities and chemicals to evaporate.
The amount of water that your plant needs depends on many factors, including temperature, humidity, and the local environment.
Extremely high water temperatures can cause shock to the plant and some leaves may drop off. You should always use room temperature water.
Hoya Linearis require excellent drainage to grow because of how it is in nature. They are subject to heavy rainfall but they dry quickly with good air circulation.
Hoya Linearis need bright, but the indirect, filtered sun. Avoid direct sunlight as the leaves will burn in the intense sun.
This plant is not suited for low light conditions. Hanging plants that don’t have enough light at the top will become bald. Make sure that your Hoya Linearis gets light at the top.
Hoya Linearis grows cooler than other species. This plant is a great choice for morning sunlight, especially in winter. Be aware of the heat from the summer sun if you live in a hot region. The foliage can be burned if exposed to the sun for long periods.
Proper lighting will allow the potting mix to dry quickly. This is vital for this plant. Place the plant in an area that is well-lit throughout the day.
The plant should be exposed to indirect light for at least half the day.
Hoya Linearis need to be in darkness for their growth. The bathroom is a great place to grow such plants since most homes have filtered glass and the humidity is usually higher.
You may need to shade the direct sunlight a bit during summer depending on where your plant is located. Blinds or sheer curtains can be used.
Hoya Linearis can tolerate temperatures between 60-85 and (15-25 degrees Celsius). Hoya Linearis can withstand lower nighttime temperatures because it grows at higher altitudes.
For many houseplants, it is important to maintain a minimum indoor nighttime temperature of 10 degrees Celsius (50 orF).
Hoya Linearis was born in a tropical environment. It loves humidity. This Hoya variety can tolerate moderate to high humidity. 50 to 70% is a great range.
This Hoya plant needs more humidity than other Hoya plants. The plant will wither if the humidity falls below the recommended level.
Misting is one of the easiest ways to increase humidity. Regular misting of your plant with filtered water can create a humid environment. It is best to mist the leaves lightly with water, but not to soak them in it.
A humidifier is a good investment if you worry about misting your plants. You can also group multiple plants in a small space. The plants that release moisture will naturally increase humidity.
To increase the humidity, you can place a small bowl of water next to the plant if none of the above work.
Hoya Linearis Fertilizer
This plant doesn’t need to be fertilized too often. Houseplants need extra nourishment throughout the growing season.
Use a balanced fertilizer twice per month in the spring and summer seasons. Overfeeding the plant can cause damage. Always follow the manufacturer’s instructions and the label.
You can water the potting medium if it is dry to moisten the soil. This is essential to protect roots from fertilizer burns.
To provide your plants with the necessary micro-and macronutrients, you can use any quality, all-purpose, urea free fertilizer. Use 1/4 teaspoon of fertilizer in gallon water and water during the growing season.
To encourage more blooms, you can apply a phosphorus-based fertilizer before the blooming phase begins. You should not fertilize between October and February.
The mixture can be prepared just before use or stored for later use.
Hoya Linearis Pruning
To improve the appearance of your Hoya Linearis, you can give it a little pruning treatment. Use a pair of sterilized pruning shears, or scissors to remove any dead or dried leaves and stems.
You must be careful not to remove the woody peduncles, from which star-shaped flowers will develop. The old stalk should not be removed. It will hinder blooming and cause the plants to use up their energy for new stalks.
While trimming the plants, white latex can be released. This liquid can irritate. Wear gloves and take precautions.
Hoya Linearis Propagation
It is easy to propagate a Hoya Linearis. Rooting stem cuttings is the best way to propagate your Hoya Linearis.
This variety can take up to several weeks to propagate. It is important to maintain a high humidity level. To do this, cover the cuttings with a humidity dome, plastic bag, or propagator. Although propagation by cuttings is simple, it takes extra care during the initial stages.
- Stem cuttings taken from a healthy Hoya Linearis should be chosen. The nodes are the places where the leaf connects to the stem.
- Take out the leaves at the two lowest nodes.
- Dip the cut in a rooting hormonal and then plant it into a container. A soilless mixture can be used that contains 30-40% perlite.
- Regularly water the soil and ensure that it drains well. Do not allow the potting soil to dry completely.
- Your cuttings will grow quickly if they are exposed to a lot of direct sunlight. The temperature should be between 75 and 80 degrees.
- Roots will appear within 3-4 weeks.
- To make the potting mix airy, put it in a ziplock bag. The mixture should be lightly moistened.
- Place the cut flowers inside the bag and spray some water inside.
- After adding some air, seal the bag. After 4 to 5 days, increase air circulation.
- New growth will begin to appear after one month. You can now transfer the cut to a pot. Follow the care instructions above.
Hoya Linearis can also be rooted by placing a whole strand of the potting soil on top. Now the strand will begin to develop roots. Take the cuttings and pot them. Although this process will take several months, each node will grow roots and develop new leaves.
Hoyas don’t need to be repotted often. They prefer being slightly rootbound so they can use smaller pots. If they need to be repotted, it is possible after a year.
Take the plant out of its pot carefully to make sure it is ready for repotting. You can brush away any soil that has accumulated around the roots. Also, inspect the base of your plant. If you see a lot of roots around the bottom of the pot, it is best to repot it.
You can increase the pot size by a few inches. If you need to go one size larger, To make a loose-draining mixture, you can add orchid bark to regular houseplant potting soil.
A second recipe that has been a hit is 1/2 indoor potting mix, 1/4 bark chips and 1/4 succulent mix.
Hoya Linearis should be repotted in the spring when it is still actively growing from its winter rest. This will prevent transplant shock from occurring and give the roots enough time to grow in the new location.
Hoya Linearis Blooms
Hoya Linearis will be able to grow white, star-shaped flowers with a lemony fragrance. These flowers look like tiny candles.
Hoya Linearis, a tender, evergreen perennial, bears slender green stems that have linear, hairy grooved leaves. It also produces clusters of white, star-shaped flowers. The blooms last from late summer to autumn. They last up to two weeks.
The plant usually begins to bloom after two years.
Hoya Linearis is a vigorous plant that can grow wild outdoors. However, it can be grown indoors in a variety of conditions. The plant can reach up to 2m tall depending on the environment. This variety grows at a medium to fast rate. It can grow in both outward and downward directions.
Hoya Linearis plants usually start with white or light green new growth. If you notice this, don’t assume that the plant is sick.
Your Hoya Linearis may be suffering from etiolation if the stems and leaves appear very thin or weak. This indicates that the plant isn’t getting enough light.
Growing Hoya Linearis: Tips and Tricks
- To grow a healthy Hoya Linearis, you must allow the potting mix to dry completely between watering. Good lighting, small pot sizes, and the right potting mix are key to this.
- They are epiphytic plants, meaning they receive a lot of moisture from the environment and air. If you grow them indoors, they will appreciate the regular misting.
- Water temperature is important. Always allow water to reach room temperature before you water.
- Position the Hoya Linearis plant so it gets bright sunlight to encourage flower buds. It is possible to get some direct sunlight in the morning and evening.
- To force the plant into flowering, you can stop or reduce watering.
- Divide the stem into six-foot lengths by taking cuttings at the top. If you start cutting from halfway down the plant will grow sideways and won’t hang well.
- Don’t disturb the roots of the plant or move it around too much. This will slow down blooming.
Hoya Linearis: Common Problems
Your plant may have scorched leaves. This means it is getting too much sunlight but not enough humidity. Your Hoya Linearis should be moved to a cool, humid place. The humidity can be high in bright bathrooms, so it is worth considering placing the plant there.
Witting leaves indicate watering problems. This could be caused by root rot, prolonged under-watering, or both. To determine the root cause, you should inspect your Hoya Linearis. You should immediately cut the roots if they are damp or have begun to rot. This will allow you to grow new Hoya Linearis. Increase watering if the roots seem dry.
Aphids are very common in Hoyas. When watering, make sure to check the plant. You have a better chance of getting rid of pests if you catch them early.
Aphid infestations of large size can cause plant death. They also produce sticky honeydew that attracts ants and promotes sooty mold growth. Aphids are small, soft-bodied insects that eat the juices of tender plants stems and leaves. There are over 4000 species of Aphids. They can be white, grey or black and come in a variety of colours, including green, brown, yellow, red, gold, red, white, and grey.
They are capable of rapid reproduction and can cause damage to plants at all stages of life. They can cause leaf stunting, yellowing, and transmit viruses that may distort the growth of plants.
Spray the infested plants with strong water jets using a hose. This will remove mealybugs and aphids. To control pest infestations, you can also use insecticidal soap or horticultural oils.
Oils are effective in suffocating soft-bodied insects. Soaps can also be used to kill them by damaging their protective coating. Avoid spraying flowers with horticulture oil.
Spider mites can also be a problem. They have tiny mouthparts that are used to pierce individual plant cells and extract sap. The leaves will develop tiny yellow or white spots. Heavy infestations will cause the foliage to drop.
The infected plants are discoloured, stunted or eventually die. The fine webs of spider mites cover the leaves, accumulating dust on the plant. You can kill them with regular insecticides. Check the label for the “miticide” designation.
If you notice any fuzzy leaves, it is worth treating them with insecticidal soap. Keep the plant isolated and repeat the process every week until pests are gone.
Conclusion On Hoya Linearis Care
These vines are long and delicate with a slight hairy appearance. They add a tropical jungle feel to any indoor space. Hoya Linearis can thrive for many years if they are taken care of properly. This is a beautiful, attractive and rewarding wax plant. It’s also very easy to care for. Allow it to dry for a few minutes, then water.
It doesn’t matter if your Hoya Linearis plants are doing well.
Hoya Linearis: Frequently Asked Questions
What can I do if my Hoya Linearis suddenly starts dropping leaves?
Sudden leaf loss is a sign of cold shock. Do not place your Hoya Linearis plants in cold areas or draughty windows during winter. Remember that Hoya Linearis plants can’t tolerate temperatures lower than 50 orF, or 10 degrees Celsius. So make sure you place your plant in an area with sufficient humidity.
Why is my Hoya Linearis not blooming?
This is most likely due to your Hoya not getting enough light. A second factor is that Hoyas can flower after being stressed. To encourage beautiful blooms, keep your plant slightly root-bound.
Is the Hoya plant poisonous?
The milky sap of this plant is not toxic, but it is irritable. It should be kept away from children and pets. It’s safe to grow it as a hanging plant.
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Tochukwu is an experienced gardener and blogger for over 10 years. With the love he has for gardening, he decided to turn it into a daily business and offers advice on how to grow vegetables in Nigeria. His freelance work has brought him to produce significant research and ecological advice that is used globally. He is the author of Urban Gardening.