SPECIMEN NO. #82 🟢 PET SAFE Family: Apocynaceae

Ceropegia linearis

Common Name: String of Needles

String of Needles (Ceropegia linearis) is a houseplant in the Apocynaceae family, native to BR. It is a bright indirect-light species that thrives between 2000 and 6000 lux. Optimal indoor care calls for watering roughly every 18 days, temperatures of 10–35°C, and about 25% humidity. According to ASPCA data, it is non-toxic and considered pet-safe for cats and dogs. It is also known as Heartleaf Lanternvine.

Ceropegia linearis (String of Needles) botanical field specimen photograph

ASPCA Pet Toxicity Determination

Toxic to Dogs? NO (Safe)
Toxic to Cats? NO (Safe)
Clinical Symptoms:

Toxicity not verified against ASPCA — treat as unknown.

Quantitative Care Thresholds

Light Level Profile Bright Indirect
Minimum Light Requirement 2000 Lux
Maximum Light Tolerance 6000 Lux
Watering Frequency Every 18 Days
Temperature Envelope 10°C – 35°C
Ideal Ambient Humidity 25% RH

Taxonomic & Field Verification

GBIF Usage Key 7150667
Native Biogeographical Range BR; Cape Provinces; Eswatini; KwaZulu-Natal; Mozambique; SE; SE-Kenya; Tanzania;...
🔬 Verify on GBIF Species Portal