"Anthurium Doc Block" refers to a specific line of award-winning, velvet-leaf anthurium hybrids bred by Doc Block, known for their striking, heart-shaped leaves with vibrant colors and unique venation. 
Here's a more detailed look at what makes them special:
Key Characteristics of Doc Block Anthuriums:
Velvet-like Texture: The leaves have a distinctive velvety texture, adding to their visual appeal. 
Vibrant Colors: They come in a range of colors from burgundy-purple to intense dark green. 
Striking Venation: Their leaves feature striking venation in shades of bright white and pink, creating a dramatic contrast. 
Heart-Shaped Leaves: They are known for their beautiful, heart-shaped leaves. 
Award-Winning: Some Doc Block anthuriums, like "Michelle," have won awards for their beauty and unique features, according to Proven Winners. 
F2 and F3 Generations: Doc Block anthuriums are bred through multiple generations, with F2 and F3 generations being particularly sought after for their refined genetics and specific traits. 
Care Tips:
Light: Anthuriums thrive in bright, indirect light.
Humidity: They appreciate high humidity (60-80%).
Watering: Water thoroughly when the top 1-2 inches of soil feels dry, ensuring good drainage.
Fertilizing: Feed them once per month at half strength when actively growing, reducing frequency in the winter months.
Potting Mix: Use an all-purpose potting mix with added orchid bark and perlite for good drainage and nutrients.