Succulents 101

Succulent garden
Succulents are a great fit for Southern California—beautiful, tough, and water-wise.

Succulents are an invaluable plant—especially for Southern Californians—because they’re beautiful, resilient, and naturally water-wise. Succulents store water in their leaves, stems, and roots, which allows them to thrive in arid climates and lean soils. That water-storage strategy also creates an incredible variety of leaf forms, colors, and growth habits.

Some of the best-known succulents are cacti (a unique subgroup), but the wider succulent world also includes favorites like aloe and agave. No matter what you’re growing, the basics are similar.

Succulent success formula:

Bright light + fast drainage + deep, infrequent watering.

Size and Placement

Backyard pathway through succulent garden in Sierra Madre, CA
Design tip: place the boldest plants first, then layer smaller ones around them.

Start with your largest, most dramatic plants, then arrange smaller varieties around them for contrast and texture. When selecting placement, think about the plant’s mature size and how it will look in that spot over time.

Many succulents can’t be “kept small” by pruning the way you can with shrubs—so spacing and scale matter from day one.

Why are some succulents smaller and more expensive than larger ones?

Smaller varieties often grow more slowly. That usually means they’re older and took longer to produce—so they cost more.

Temperature

Agaves and palm trees
Many succulents tolerate heat well, and some handle cool nights surprisingly well too.

Many succulents handle heat extremely well. Some also tolerate cooler temperatures—similar to desert climates where nights can be chilly. That said, cold tolerance varies widely by species.

If frost is expected, protect more tender succulents and especially container plants, which cool down faster than in-ground plantings.

Light

Assorted succulents for sale
Light needs vary—watch leaves for “stretching” or sun scorch.

Most succulents prefer bright light—either outdoors in an open garden or indoors near a bright, south-facing window. However, some species can scorch in harsh afternoon sun, especially if they’re moved suddenly from shade to full sun.

  • Too much sun: leaves may scorch and turn brown or white.
  • Not enough light: plants “stretch” (etiolate) and develop long, weak stems.

If stretching happens, increase light gradually and prune back to reshape once the plant is growing more compactly again.

Water

Huge assortment of succulents
Water deeply, then let soil dry—drainage is everything.

Succulents generally need more water during summer and while establishing. The best approach is to water generously, then allow the soil to dry between waterings. That’s why fast drainage is critical.

In winter, many succulents slow down or go semi-dormant, so water far less. Overwatering in cool weather is one of the fastest ways to cause rot.

Over-watering

Over-watered succulents often look soft and discolored—yellowing, whitening, or losing their normal color. If you suspect rot, remove the plant, trim rotted roots, let it dry, then replant in a drier, better-draining mix.

Under-watering

Under-watered succulents may pause growth, shed leaves, wrinkle, or develop dry brown patches. Adjust watering gradually and confirm the soil drains well.

Planting / Potting Soils

Succulents planted on a driveway slope
Succulents love lean, fast-draining soil—especially on slopes.

Plant succulents in soil that drains quickly. Most succulents benefit from adding an inorganic amendment such as perlite (or similar) to improve aeration and drainage. Avoid heavy, water-holding soils unless you’re amending heavily or planting in raised mounds.

Tip: Containers should always have a drainage hole. “No-drain” pots are a common cause of root rot.

Fertilizer

Fertilize lightly during the active growing season (often spring through summer), and stop during winter when growth slows. Succulents generally need less fertilizer than most garden plants—more isn’t better.