String of Hearts (Ceropegia woodii)
Features
A gorgeous cascade of succulent heart-shaped leaves that seem to float along wiry stems. Each leaf is marbled with silver, giving the whole plant a silvery glow. Produces very unusual tubular flowers from summer into fall. This is a climbing, trailing plant in its native habitat of South Africa.
Uses
Looks great spilling over container edges. Very decorative on a small table or in a hanging basket. May be displayed outdoors in warmer weather.
Plant Feed
Once every month during growing season with mild liquid fertilizer.
Watering
Allow soil to dry between thorough waterings.
Soil
All-purpose potting mix.
Basic Care Summary
Water thoroughly but allow soil to dry slightly between waterings. Apply a balanced liquid fertilizer monthly during active growth. Trim back as needed.
Planting Instructions
Start with a good quality, commercial potting soil. These are usually lighter in weight than topsoil, sterile and pest-free. Many are available with a mild starter fertilizer in the mix.
Select a container with a drainage hole or be prepared to drill holes for drainage if there are none.
Prepare the container by filling with potting soil up to 2” (5cm) from the rim of the planter. Remove the plant from its pot.
Make a small hole in the soil slightly larger than the root ball either by hand or using a trowel. Insert the plant into the hole and press soil firmly around the roots and just covering the root ball. When all the plants are potted, water thoroughly to settle the soil and give plants a good start. Place plant in a reliably sunny location.
Repot every 2 years in the same container or in a container slightly larger than the diameter of the roots.
Watering Instructions
Apply water at the soil level if possible to avoid wetting the plant. Water the entire soil area until water runs out the base of the pot. This indicates that the soil is thoroughly wet. Discard any excess water that has accumulated in the pot’s saucer.
Don’t water again until the top 1-2” (3-5cm) of soil is completely dry. Check the soil moisture with your finger. Plant may require less water during the winter months when it’s growing more slowly because of lower light levels. Some species may even go dormant for a few months in winter.
Pruning Instructions
Cactus and succulent plants can be pruned to remove dead or damaged parts or to maintain a specific size or shape. Pruning encourages new growth, branching, and provides plant pieces that can be used for propagating more plants. Keeping the plant trimmed also encourages more side-shoots and reduces the demand for the plant to develop a larger root system. This is important since the roots are in a confined space.
Depending on the growth habit of the plant: long succulent leaves can be cut back to the base of the plant. Side stems can be cut back to the main trunk. If trimming to shape, cut off smaller segments just above a joint.
Baby cacti that grow on the main plant are known as “pups”. They can get very thick on some types of cacti. Pups can be cut off with a sharp knife at a 45-degree angle. Allow the cut area on the pups to air dry until a callous forms and they can be set in moist sand to root and eventually form new plants.
Some cacti and succulents produce “offsets”. These are plants that grow next to the mother plant by short rhizomes. These can be cut off at the rhizome and used to start new plants just like pups.
Fertilizing Instuctions
Fertilizers are available in many forms: granulated, slow-release, liquid feeds, organic or synthetic. Determine which application method is best for the situation and select a product with a nutritional balance designed for foliage plants.
Too much fertilizer can damage plants so it’s important to follow the package directions to determine how much, and how often, to feed plants.
Slow-release fertilizers are an especially good, care-free choice for container plants. A single application can often provide plants with the proper level of nutrition all season long.
Plant Details
| Category | Houseplants |
| Height Range | 6-8″ |
| Height Metric Range | 15-20cm |
| Space Range | 1-2′ |
| Space Metric Range | 0.3-0.6m |
| Available Colors | purple |
| Companion Plants | Aglaonema, Weeping Fig, Orchid |
| Lowest Temperature | 40° to 50°F |
| Lowest Temperature Metric | 4° to 10°C |
| Bloom Time | Summer to autumn |
| Plant Light | Medium Light |
| Hardiness Zone | 11, 12 |