The term "Finger Crassula" may refer to Crassula ovata 'Gollum,' a specific cultivar of the Jade Plant or Money Plant. Crassula ovata, commonly known as the Jade Plant, is a popular succulent that belongs to the Crassulaceae family. The 'Gollum' cultivar is known for its unique tubular or finger-like leaves. Here's some information about the Finger Crassula:

Crassula ovata 'Gollum' (Finger Crassula):

1. Leaf Appearance: The leaves of Crassula ovata 'Gollum' are tubular and have a unique elongated, finger-like shape. The tips of the leaves are somewhat flattened and have a reddish tint.

2. Color: The leaves are typically green but can develop red edges or tips, especially when exposed to stress or sunlight.

3. Size: The plant can grow to be a small shrub or tree, depending on its age and growing conditions.

4. Growth Habit: 'Gollum' has a more compact and shrubby growth habit compared to the standard Jade Plant.

Care Tips for Crassula ovata 'Gollum' (Finger Crassula):

1. Light: Provide bright, indirect light. 'Gollum' can tolerate some direct sunlight but avoid intense, prolonged exposure.

2. Watering: Allow the soil to dry out between waterings. Water sparingly, as Jade Plants are drought-tolerant and can suffer from overwatering.

3. Soil: Use a well-draining succulent or cactus mix.

4. Temperature: 'Gollum' prefers mild to warm temperatures. Protect it from frost and cold drafts.

5. Propagation: Propagate by stem or leaf cuttings. Allow cuttings to callus before planting them in soil.

6. Container: Plant in a container with drainage holes to prevent waterlogging.

7. Fertilization: Fertilize sparingly during the growing season (spring and summer) with a balanced, diluted fertilizer. Avoid fertilizing during the dormant winter period.

8. Pruning: Prune to shape the plant or control its size if needed. 'Gollum' responds well to pruning.

Remember that individual care needs can vary based on factors such as local climate, indoor conditions, and the specific environment in which the plant is placed. Adjust care practices accordingly, and observe the plant's response to ensure optimal health.

If "Finger Crassula" refers to a different or specific cultivar, it would be helpful to check with the seller or nursery for more detailed care instructions tailored to that particular variety.