To plant, grow, and care for bitter melon (also known as bitter gourd or Momordica charantia), follow these steps:

1. Selecting Seeds: Choose high-quality bitter melon seeds from a reliable source. Ensure they are fresh and disease-free.

2. Planting Time: Bitter melon thrives in warm climates. Plant seeds directly in the soil after the last frost date in your area.

3. Soil Preparation: Ensure the soil is well-draining and rich in organic matter. Bitter melon prefers slightly acidic to neutral soil with a pH of 6.0 to 7.0.

4. Planting: Plant seeds 1 inch deep and space them about 12 to 18 inches apart. If planting multiple seeds, space rows 3 to 4 feet apart.

5. Sunlight: Bitter melon needs full sunlight for optimal growth.  Choose a location in your garden that receives good direct sunlight every day.

6. Watering: Keep the soil consistently moist but not waterlogged. Water deeply whenever the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases.

7. Support: Bitter melon vines are climbers, so provide a trellis or support system for them to climb. This helps maximize space and prevents the fruit from rotting on the ground.

8. Fertilization: Apply a balanced fertilizer or compost once a month during the growing season to promote healthy growth and fruit production.

9. Pest and Disease Control: Keep an eye out for common pests such as aphids, spider mites, and fruit flies. Use organic pesticides or insecticidal soap if necessary. Practice crop rotation to minimize disease problems.

10. Harvesting: Bitter melon fruits are ready for harvest about 60 to 70 days after planting. Harvest the fruits when they are green and firm, usually 4 to 6 inches long. Avoid letting them overripen, as they become increasingly bitter.

11. Storage: Store harvested bitter melons in the refrigerator for up to one week. Alternatively, you can freeze sliced bitter melon for longer storage.

By following these steps, you can successfully plant, grow, and care for bitter melon in your garden.