Scientific Name: Thaumatophyllum bipinnatifidum 'Atom'

Common Name(s): Formerly Philodendron 'Atom' or 'Super Atom'

Defining Characteristics:

• Typically remains compact, often growing only 1–2 feet tall and wide
• Leaves are small, glossy, bright green, and deeply lobed, with a distinctive, strongly ruffled or curled margins
• A self-heading plant, meaning it forms a dense, bushy, upright structure, eventually developing a short, thick woody stem or trunk at maturity
• Known as a durable, "beginner-friendly" cultivar with lower maintenance needs 

Recommended Pot Size: Small - Medium 

Josh’s Frogs offers a wide variety of supplies for all of your indoor gardening needs.

Temperature Requirement (°F): Between 65 and 80°F

Humidity: Thrives in a high humidity range of 60 to 80%, but can tolerate moderate levels between 50 and 70%

Watering Frequency: Water when the top 1–2 inches of soil is dry.

Lighting: Bright, indirect light

Soil Type: A well-draining mix that allows ample airflow to roots, such as Josh's Frogs Chunky Houseplant Soil.

Growth Rate: Fast

Height at Maturity: 1 to 3 feet in height and width

Origin: Thaumatophyllum bipinnatifidum 'Atom' is a selectively bred cultivar designed for its compact growth. Its parent species, T. bipinnatifidum, hails from tropical regions in Brazil, Bolivia, Argentina, and Paraguay.

Regional Locality: While the wild parent species thrives in high-humidity forests, 'Atom' is mainly cultivated for tropical to subtropical, bright-indirect, or low-light indoor environments.

USDA Hardiness Zone: 9b - 11

Suggested Vivarium/ Animal Terrarium Use:

Care Notes: Thaumatophyllum are mildly toxic to both humans and pets, as all parts of the plant contain calcium oxalate crystals. We deem this plant safe for use with the above animals, but the more risk-averse may wish to avoid it. For more information, please visit the ASPCA list of Toxic and Non-Toxic Plants.

Shipping Notes: Generous LIVE ARRIVAL GUARANTEE offered.

As good practice, Josh's Frogs recommends washing all plants thoroughly, removing as much soil as possible with dechlorinated water before placing them in their final home. Live plants may vary in color, size, and appearance.

ALL PLANTS ARE SHIPPED IN POTS WITH SOIL OR OTHER MEDIA UNLESS IT IS DEEMED NECESSARY TO SHIP BARE ROOT.

Standard pot sizes for Josh's Frogs plants typically range from 1.25-3.5 inches.