How to Care for String of Hearts Plants

Written by chelsea fitzgerald
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How to Care for String of Hearts Plants
The string of hearts cascades down hanging basket containers. (Ryan McVay/Photodisc/Getty Images)

The string of hearts plant is aptly named since the leaves on this trailing vine are heart shaped. It is sometimes called the rosary vine. The plant is a member of the Asclepiadaceae family, which includes succulent shrubs, vines and herbs often from the tropics. String of hearts plants grow well indoors, outdoors or in greenhouses. The vine often reaches several feet in length.

Skill level:

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Things you need

  • Pot or hanging basket
  • Garden soil, clay or loam
  • Complete 20-20-20 fertiliser

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  1. 1

    Plant the string of hearts in a pot or hanging basket with quality loam, clay or garden soil. It tolerates a container that is too small quite well.

  2. 2

    Set the plant in an area where it receives full or bright sunlight. It grows best in night temperatures of 16.7 to 18.3 degrees Celsius and daytime temperatures of 80 to 85F.

  3. 3

    Water the string of hearts when the soil feels dry to the touch during active growth. Less frequent watering is needed at other times. The plant does not tolerate overwatering.

  4. 4

    Fertilise the string of hearts with a complete fertiliser with a 20-20-20 ratio. Use the fertiliser for the first time once it has been established for one or two months. Continue using the product according to the label directions.

  5. 5

    Propagate the string of hearts by cuttings, the seeds found on the vine or rooted with bottom heat.

Tips and warnings

  • The small blooms are marbled, white, rose, grey and green.
  • It grows fleshy, bead-shaped seeds on the stem.
  • Handle the vines gently. They tangle quickly.
  • Avoid fertilising the plant when the soil is dry unless it a liquid version. Water the string of hearts and then use the dry product. This prevents damage to the leaves or roots.

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