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If you want plants in every room — and honestly, why wouldn't you? — the secret to keeping them alive indoors comes down to one thing: light.
Get the light right, and your indoor miniature garden will thrive. Get it wrong, and even the hardiest little plant won't stand a chance.
The good news? You can figure out your indoor light level in about 10 seconds, with nothing but your hand.

The Hand Shadow Test
Go to the spot where you want to place your miniature garden — in the middle of the day. Hold your hand about a foot above the surface and look at the shadow it casts.
That's it. Now you know exactly what you're working with. Look for the light requirements on the plant's tag when you're out shopping. A quick google search can tell you what any plant needs within seconds.
A Note on Direct Sun
"Bright light" doesn't always mean direct sunlight is welcome. In spring and fall especially, sun shining directly through a window can scorch tender plant leaves. A simple fix: hang a sheer or lace curtain to diffuse the light, or move your garden a foot or two back from the window.
Western and southern light will need some shading, especially in the spring and fall, when the light beams like a laser through your windows. Northern windows will need added light with a lamp (see below.) And eastern windows - my fave - are the bestest! :o) The sun is cool enough not to be a concern yet there is plenty of it so you don't need to add any additional light sources.
Not Enough Light? Add Some.
If your favorite room is running low on natural light, modern grow bulbs are a beautiful solution. Today's options fit right into your existing lamps and table lights — no industrial-looking equipment required. Look for full-spectrum grow bulbs at your local hardware store or online.
Not only are there grow bulbs available that fit regular lamps, there are a multitude of indoor plant light and lamp options to suit all kinds of situations. Big, small, clips on a table-edge or stands like floor lamp. The 'faux-natural' light will only add to your indoor ambiance and help you through those dark winter days too.
Find the Right Plants for Your Light
Once you know your light level, the next step is choosing plants that will genuinely thrive there — not just survive. Browse our curated collection of indoor miniature garden kits and plants here at TwoGreenThumbs.com, where every product listing includes light requirements so you can shop with confidence.
1 comment
I am delighted to see someone promoting SuperThrive. I deal with a Bonsai supplier in New Jersey, and that’s how I found out about it. It will not burn your plants and is truly a great organic product. I also use Osmocote as my time-release fertilizer, and it is so easy, with great results. I am so grateful to find this site. I’ve been wanting to do a miniature garden for years. Keep up the good work!