Planter Drainage and Saucer Setup for Medium Indoor Planters

By Handmade Glasses & Glassware | LSA International | Published: 2026-11-04

Category: Anleitungen

Learn how to set up drainage and a saucer for a medium indoor planter, judge soil depth, and water correctly so roots stay healthy without mess.

Quick answer

Use a medium indoor planter with a drainage hole and pair it with a saucer that is wider than the planter base. Water until a little runs into the saucer, then empty the saucer after 15–20 minutes. For planters without a drainage hole, plant in a nursery pot that sits inside the planter and empty any hidden water after watering.

Why drainage and saucer setup matters for medium planters

A medium planter holds enough soil to stay wet for days, so excess water has nowhere to go without drainage. A saucer catches that runoff but also creates a humid zone under the pot. Emptying the saucer after watering prevents roots from sitting in water, which is the most common cause of root rot in indoor planters.

If your planter has no drainage hole, the saucer is not enough on its own. Use a nursery pot with drainage holes inside the planter, and treat the decorative planter as a cachepot. That way you can lift the nursery pot to water and drain it fully before returning it.

How soil depth changes watering in a medium planter

Deeper soil holds more water at the bottom, so a medium planter dries more slowly than a small one. Check moisture at root depth, not just at the surface, before watering again. A wooden or bamboo skewer inserted near the edge and left for a few minutes shows whether the lower soil is still damp.

Shallow-rooted plants such as herbs and many indoor bulbs do not need a full pot of soil. Fill the planter so the root ball sits at the same level as it did in its nursery pot, leaving 2–3 cm of space below the rim for watering. Do not compress the soil; a loose, airy mix drains better and makes overwatering less likely.

Step-by-step planter drainage and saucer setup

Check the planter for a drainage hole: Turn the planter over. If there is a hole, you can plant directly in it. If not, choose a nursery pot that fits inside with a 1–2 cm gap around the sides. A planter without a hole works only as a cachepot; never fill it with soil and plant directly.
Choose a saucer wider than the planter base: Set the planter on a saucer that extends at least 2 cm beyond the base on all sides. A saucer that is too small lets runoff spill onto furniture. For a two-part planter, check that the saucer supports the steel base evenly so the glass bowl stays level.
Add a drainage layer only if the planter is deep: For planters deeper than 20 cm, put a 2 cm layer of coarse grit or lightweight pebbles in the bottom before adding soil. This is not a substitute for a drainage hole, but it keeps the soil surface from sitting in a reservoir of water. Skip the drainage layer if the planter is shallow; it only reduces the soil volume available to roots.
Plant at the right soil depth: Fill soil so the top of the root ball sits 2–3 cm below the rim. Firm the soil gently around the roots, leaving it loose enough for water to pass through. Do not bury the stems or crown; keep the original soil line visible.
Water until runoff reaches the saucer: Pour slowly and evenly until water just appears in the saucer. Wait 15–20 minutes, then empty the saucer completely. For a cachepot setup, lift the nursery pot, water it in a sink, let it drain, then return it. Never let the planter stand in water for more than 20 minutes.
Check moisture before the next watering: Insert a skewer or finger 5–8 cm into the soil. Water again only when the soil at that depth feels barely damp. Medium planters often need 7–10 days between waterings, depending on light and plant type. A dry surface does not mean dry roots; always check below the top 2 cm.

Product facts

Planter: Two-part planter with a mouth-blown glass planting bowl and a powder-coated steel base that has an open channel. The open channel exposes roots to light and gives the design a lighter look, but it also means you should water carefully and empty any excess from the base so the glass bowl does not sit in water.
Planter