Sweetheart plant (Hoya kerrii)
Also known as: Valentine hoya
The Sweetheart Plant (*Hoya kerrii*) is frequently sold as a charming novelty gift for Valentine's Day, thanks to its distinctive heart-shaped leaf. Typically, it's offered as a single, rooted leaf in a small pot, perfect for tabletop display. With proper care, it can grow into an attractive vine, ideal for hanging baskets or climbing on a trellis.
In This Article
Attributes of Sweetheart plant
Lifespan
Perennial
Plant Type
Vine
Plant Height
50 cm to 1 m
Spread
10 cm to 50 cm
Leaf Color
Green
Flower Size
5 cm
Flower Color
Brown White
Images of Sweetheart plant
Quickly Identify Sweetheart plant
1
Thick, fleshly heart-shaped leaves.
2
Small pink flowers with red star-shaped centers.
3
Aerial roots for support on larger plants.
4
Smooth-edged leaves with prominent central vein.
5
Succulent nature indicated by fleshy leaf texture.
Scientific Classification of Sweetheart plant
Phylum
Vascular plants
Class
Dicotyledons
Order
Gentians, dogbanes, madders, and allies
Family
Dogbane
Genus
Waxplants
Species
Sweetheart plant
Planting and Growing of Sweetheart plant
Care Difficulty
Easy
Watering Schedule
Every 2 days
Sunlight Requirements
Partial sun
Sunshine Duration
6-10 hours
Ideal Temperature
65-80℉
Soil Type
Potting Mix, Peat Mix
Soil pH
6.5-7.5
Fertilizer Type
Balanced
Pruning Season
Spring, Summer
Pruning Area
Branches, Leaves
Pruning Frequency
Once a year
Repotting Season
Spring
Pot Type
Plastic, Ceramic
How to Water Sweetheart plant?
For Hoya kerrii, it is essential to ensure the soil is dry between waterings. Ideally, water until you notice slight runoff from the bottom of the pot, which should be around 100 milliliters. This ensures that the roots get sufficient moisture without sitting in water.
More About Watering Techniques→
What are the symptoms of an underwatered Sweetheart plant?
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What should I do if my Sweetheart plant is not getting enough water?
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What are the symptoms of an overwatered Sweetheart plant?
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How to save an overwatered Sweetheart plant?
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What Are the Sunlight Requirements for Sweetheart plant?
Hoya kerrii thrives in partial sun conditions, which supports balanced growth and healthy leaf development. Maintaining this light level prevents issues such as leaf burn or poor growth.
More About Sunlight Requirements Techniques→
What is the ideal lighting for Hoya kerrii?
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How can I provide the best lighting conditions indoors?
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What are the benefits of proper lighting for Hoya kerrii?
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What Is the Ideal Temperature Range for Sweetheart plant?
Hoya kerrii thrives best in a warm, stable environment. The ideal temperature range for its growth is between 65°F and 80°F. This range mimics their native tropical and subtropical habitats where the plants can maintain optimal metabolic activities. Consistent temperatures within this range lead to healthy leaf development and flowering.
What Soil is Best for Sweetheart plant?
Hoya kerrii thrives in well-drained soil as it prevents root rot, a common issue when the plant sits in stagnant water. Choosing a mix that allows excess water to escape ensures healthy root systems. Loamy and sandy loam soils provide excellent aeration, allowing oxygen to reach the roots. This is crucial for promoting healthy growth as compacted soil can suffocate the roots, impeding nutrient uptake. While not demanding highly fertile soil, Hoya kerrii benefits from moderate fertility levels. Incorporating organic matter can provide essential nutrients, supporting lush growth and vibrant leaves.
More About Soil→
How to Fertilize Sweetheart plant?
For Hoya kerrii—also known as the 'Sweetheart Plant'—fertilization should be done with care. Use a diluted liquid fertilizer at half the recommended strength to avoid overwhelming the plant. During active growth periods in spring and summer, applying more frequently helps promote lush foliage growth and overall plant health.
How to Prune Sweetheart plant?
Gently snip off any leggy stems using clean, sharp scissors. Aim to make your cuts just above a node where a new leaf might sprout. This promotes fuller growth and prevents the plant from looking sparse. Doing this in early spring or late summer ensures that the plant has enough time to recover and flourish. Focus on maintaining an even shape by cutting back any overly long or unruly stems. Remove any yellow or dead leaves to prevent disease and pests. Periodically check for and remove awkward growth to keep your Hoya kerrii looking aesthetically pleasing and healthy.
How to Propagate Sweetheart plant plant?
1
Choose a healthy, pest-free stem with multiple leaves for cutting. The stem should be firm and green, ideally taken from a non-flowering shoot to focus the plant's energy on root development rather than flowering.
2
Cut a 4- to 6-inch section of the stem using sharp, sterilized shears at a 45-degree angle. Ensure at least two nodes are included, as roots will form from these nodes when planted.
3
Remove the leaves from the lower portion of the cutting, leaving two to three leaves at the top. Dip the cut end into rooting hormone powder and gently shake off the excess before planting.
How to Repot Sweetheart plant plant?
1
Hoya kerrii should be repotted when you notice roots emerging from drainage holes, the plant shows stunted growth, or water isn't absorbing properly. These signs indicate that the plant has outgrown its current pot and needs more space to thrive.
2
Choose a pot that is one size larger than the current one, with adequate drainage holes to prevent waterlogging. A slightly wider pot allows room for roots to spread, promoting healthy growth and keeping root rot at bay.
3
Opt for a well-draining potting mix consisting of orchid bark, perlite, and peat moss. This mixture allows for excellent aeration and drainage, mimicking the plant's natural environment and encouraging robust root development.









