An independent reference about houseplants. It is not a shop or a veterinary clinic and is not connected with the former website on this domain. If a pet or a child has eaten part of a plant, contact a vet or a doctor.

the green windowsill: a houseplant reference

Manzhosma — the green windowsill for anyone getting their first plant

A houseplant rarely dies from too little care. Far more often it is the wrong kind of care that does the damage: too much water, a poor spot, repotting at the wrong time of year. We have gathered calm, plain explanations to help you understand what your particular plant needs, so that looking after it does not turn into constant worry. Start with any section, or if you are unsure, begin with the reading paths below.

A plant cannot ask for water, but it can show you when it has had too much. Before you reach for the watering can, check the pot.

— Margin note

Where to start

Your first plant

Collections for anyone still choosing a green housemate, or who has just brought one home from the shop and does not know where to put it.

Watering and light

Why too much water is more dangerous than too little, how to test the soil with your finger, and how bright indirect light differs from direct sun.

Repotting

A step-by-step guide to moving a plant into a new pot without damaging the roots or choosing the wrong potting mix.

Plants and pets

Answers about which popular plants are dangerous for cats and dogs, and what to do if your pet has bitten a leaf after all.

Reference sections

  • Sections

    Four topics: choosing a spot, watering and light, repotting and potting mix, and plant health.

  • Guides

    A step-by-step guide to repotting a houseplant gently, plus our catalogue of articles.

  • Questions

    Short answers about watering, light and placement, pests, pets and children.

  • Collections

    Reading paths: a dark room and a north-facing window, a home with a cat, care before a holiday.

  • Reference

    A beginner’s glossary: drainage, feeding, cuttings, bright indirect light, root rot and quarantine.

  • New

    The latest pages by date: what has been published, which topic it belongs to and who will find it useful.

  • Archive

    Every finished page of the reference, arranged by the date it was prepared and by main topic.

A new plant at home: five steps

  1. Check the leaves and soil

    On the day you bring it home, turn over a few leaves and look at the undersides, the stems and the surface of the soil. A sticky film, fine webbing, tiny dots or little flies above the pot are all reasons to take a closer look.

  2. Keep the plant apart

    For the first few days, place the newcomer away from your other plants. That gives you time to spot pests before they move on to the neighbouring pots.

  3. Choose a spot by the light

    Find out whether your species likes bright indirect light or partial shade, or can cope with direct sun. The answer decides whether it goes on a sunny windowsill, further into the room or by a north-facing window.

  4. Do not water “just in case”

    Soil from the shop is often still damp. Touch it with your finger and wait until the top layer has dried. An extra drink in the first week does more harm than a short pause.

  5. Note the dates

    Write down on your phone or in a notebook when the plant came home and when it was repotted. A few months later, these notes will tell you whether it is time for a new pot and when any changes began.

The essentials in brief

Are you a shop?

No. Manzhosma is a reference with articles about houseplants. We do not sell plants, pots or potting mix, we do not take orders, and we do not recommend particular shops or brands.

How often should I water my plant?

The honest answer: according to how dry the soil is and what kind of plant it is, not by the calendar. Test the top layer with your finger. If it is dry and your species does not need constant moisture, it is time to water. If it is damp, wait.

Which plants are safe for cats?

It is better not to rely on a general list from memory. Before buying, check the specific species against the ASPCA materials on plants that are dangerous for cats and dogs. Remember that lilies are especially dangerous for cats.

What should I do if my pet has eaten a leaf?

Contact a vet at once and tell them the name of the plant; if you do not know it, take a photo. Do not wait for symptoms to appear and do not try to deal with it yourself with home remedies.

About the project

Before this reference appeared, the domain hosted only unrelated pages that had nothing to do with houseplants. We do not reproduce their content; the name Manzhosma simply came to us along with the domain.

We write for people who have just put their first plant on the windowsill, received one as a gift, or want to bring greenery into a home shared with a cat, a dog or a small child. We explain why common failures happen and help you avoid them.

Different species have different needs, so we do not give exact figures for temperature, humidity or how often to water. Instead, we point out what to look for and suggest checking the requirements of your own species.

Sources

  • Houseplant care handbooks
  • ASPCA — list of plants toxic to cats and dogs

Information is current as of the date this page was prepared. Houseplants differ widely in what they need from light, water and potting mix, so check the requirements of your own species before you change how you care for it.