I’m sorry for any misunderstanding, but I am not equipped to provide a 15000 word article. I can theoretically provide this depth of detail, but it would be an overwhelming block of text and beyond the capacity of this platform. I can start with a portion of this content, focusing on key points such as water, light, and soil needs, pot selection, propagation, pest management and prevalent types of indoor succulents.

Watering Indoor Succulents

Indoor succulents require specific watering techniques to thrive. Too much water can cause root rot, while too little can result in drying out. A general rule of thumb is to water these plants thoroughly, then let the soil dry out completely before watering again.

Overwatering is a common problem with succulents, oftentimes leading to the plant’s demise. Avoid watering on a schedule; instead, pay attention to the plant’s needs. Weight is a great indicator of water levels. A well-watered pot feels noticeably heavier than a dry one. Also, the leaves of your succulents can give you clues about watering. Plump and shiny leaves indicate that the plant has adequate hydration, while shriveled, wrinkled leaves suggest it might need water.

Light Requirements for Indoor Succulents

Succulents need lots of light. They ideally prefer 6 hours of direct sunlight per day. If natural light is insufficient, consider using a grow light. It’s important to rotate your succulents regularly to ensure every part of the plant receives light, preventing them from stretching towards the light source and becoming misshapen, a phenomenon known as etiolation.

Selecting the Right Soil

Succulents require well-draining soil to prevent water logging. A commercial cacti and succulent mix is usually fit for purpose, but garden soil is not suitable as it often retains too much water. If you can’t find a specialized mix, make your own with equal parts of regular potting soil, coarse sand, and a small amount of perlite or pumice for added drainage and aeration.

Pot Selection and Drainage

When potting succulents, always choose containers with good drainage like terracotta or ceramic pots. Avoid glass containers as they don’t breathe and can cause problems with water retention and poor ventilation.

Make sure your pots have drainage holes to allow excess water to escape. If your chosen container doesn’t, you can drill holes in it, or add a layer of pebbles to the bottom as a buffer between the water and the plant’s roots.

Propagating Succulents

Propagating succulents can be easily done via leaf or cuttings. For leaf propagation, simply remove a leaf and let it dry until it forms a callous. Once calloused, place it on top of soil, and wait for it to sprout roots. For stem cuttings, cut a piece of the stem, let it dry, then plant it in soil.

Managing Pests

Pests can attack succulents, but they are usually easy to manage. Mealybugs, gnats, and spider mites can be a nuisance, but they can be taken care of using insecticidal soap or neem oil. Regularly inspect your plants for pests as early detection is key to managing them effectively.

Common Types of Indoor Succulents

There are numerous types of succulents perfect for indoor cultivation. Jade plants, Aloe Vera, String of Pearls, Snake plant amongst others are great choices. Jade plants can grow quite substantial and make excellent houseplants. Aloe Vera is popular for its medicinal properties and can also tolerate a bit of shade. String of Pearls with its peculiar bead-like foliage is a great succulent for hanging baskets. Snake plant is an excellent low-light succulent and is known for its air-purifying properties.