from the ceilingclips in every box
on the wallmetal bracket
on a floor standno drilling
then tilt and focus it
Sun Bulb | Full spectrum LED grow light with adjustable lens and tilt
$184.00 - $379.00$215.00 - $398.00
The adjustable grow light for big houseplants and rooms full of them. Ceiling clips in every box; the smart plug only if you add it.
- 22 W, made for plants
- beam 15° to 50°
- 4.5 m fabric cable, Australian plug
Already have a Sun Bulb? The wall bracket and floor stand and the smart plug are sold on their own.
Shop the feed
what owners love most
- new leaves, fast“never grown this fast” · “really thriving”read what owners say
“My maranta has never grown this fast before! Within the first month I got the light, the plant has been giving me nearly 10 new growth!”
“…my fiddle Fig Leaf tree is really thriving under the sun bulb. I’ve had it for 4 weeks and it’s constantly producing new growth and I’ve had no leaves dropping.”
“…new growth where there hasn’t been any for a long time.”
see owners’ plantsall 55 reviews“I’ve had the sun bulb on my plants for about 2 weeks now and several of them are shooting out new leaves.”
- light exactly where you want it“design and adjustability”read what owners say
“It’s really easy to fine tune the light exactly to your plant’s needs by adjusting the angle and narrow/wideness of beam too!”
“…flexible with how narrow or wide the light can shine is really helpful when you have a huge collection.”
“The adjustable light aperture is very useful as allows you to dial in the light spread to just your plants without getting light in your eyes when you walk past it.”
how the lens and tilt workall 55 reviews“I chose this product over similar others due to its design and adjustability.”
- a lamp, not a grow light“absolutely stunning”read what owners say
“The Sun Bulb Pendant is absolutely stunning. You can tell straight away it’s top quality and designed beautifully.”
“…it doesn’t look industrial like cheaper T5s or red/blue panels… I’ve spent lots of time and money on trying to make cheaper products work, which is an expensive endeavour.”
“Perfect to wind around my plant tension pole. Makes it look like a really fancy plant lamp.”
see it in owners’ homesall 55 reviews“Pretty much a game changer for grow lights that are actually aesthetic and help your plants grow!”
why plant people love it
Real plants in owners’ homes, a light that looks good in the room, and a beam you aim where it’s needed.
swipe or scroll
fits wherever your plants are
Three ways to hang it, and how each one goes up. Start with the ceiling clips and add a bracket or stand later if you like.
swipe
which way to hang it?
The same bulb, lens and tilt every way.
| compare | ceiling clips | wall bracket | floor stand |
|---|---|---|---|
| what you get | cable fasteners for the ceiling and wall (in every box) | black metal bracket, wall plugs and screws | varnished bamboo stand, screws and Allen keys |
| size | 4.5 m cable: hang it at any height | reaches 310 mm out; 100 mm against the wall | 1,640 mm tall, 400 × 250 mm base |
| fixes to | the ceiling, with one screw | the wall, with screws | nothing: it stands on the floor |
| good for | hanging over a group of plants | a plant or shelf against a wall | renters, corners, and big floor plants |
Already have a Sun Bulb? The wall bracket and floor stand and the smart plug are sold on their own.
put your plants where you want them
No window needed. A Sun Bulb brings the light to the plant, so a dark corner, a hallway or a north-facing room can hold your best plants, and you can arrange the room the way you want it instead of crowding everything by the glass.
“Now my North facing Dungeon is a Jungle!!”
how much light reaches your plants“…one of these lights is sufficient to keep a few plants thriving in a completely unlit area with no external light source.”
dial in the light
Three adjustments set exactly how much light reaches your plants, and where.
swipe
how much light reaches your plants?
Light straight below the bulb (PPFD, µmol/m²/s) and the area the beam covers, at each height and at both ends of the lens.
- 150+ sun lovers: fiddle leaf fig, cacti, herbs
- 40 to 150 most foliage plants: monstera, kentia palm, aroids
- 10 to 40 low-light plants: pothos, ZZ plant
| height above the plant | 15° beam, focused | 50° beam, wide |
|---|---|---|
| 0.25 m | 1,900 over 0.2 m² | 415 over 0.6 m² |
| 0.5 m | 850 over 0.4 m² | 135 over 1.3 m² |
| 0.75 m | 350 over 0.6 m² | 85 over 1.9 m² |
| 1 m | 200 over 0.8 m² | 48 over 2.5 m² |
| 1.25 m | 122 over 1 m² | 36 over 3.2 m² |
| 1.5 m | 90 over 1.2 m² | 22 over 3.9 m² |
| 2 m | 50 over 1.6 m² | 14 over 5.2 m² |
Readings were taken at the 15° and 50° settings; the lens sets any beam between them. For one big plant, like a tall monstera or a kentia palm, hang it 0.75 to 1 m above and widen the beam until it covers the leaves. Full map from 0.25 to 3 m in the FAQ.
questions about the Sun Bulb
Quick answers before you buy, with every spec in one place.
can’t find it? chat with usthe bulb
How do I hang it?
Three ways, and you can switch between them later:
- From the ceiling, with the cable fasteners in every box: one holds the cable at the ceiling, and three run it neatly down the wall to the socket.
- On the metal wall bracket, screwed to the wall. Its arm reaches 310 mm out.
- On the bamboo floor stand, with no drilling at all. It’s 1,640 mm tall on a 400 × 250 mm base.
Or wind the fabric cable around a curtain rail, a plant pole or the stairs. Tilt the bulb on its strap to aim it, then slide the lens to set the beam.
A wall bracket must be fixed firmly to the wall. The fixings supplied are for brick or concrete; plasterboard and other walls need fixings made for them. If you’re unsure, ask a qualified installer.
Does it have a switch? Is the smart plug included?
The bulb and cable have no switch, so it’s on whenever the wall socket is on. The smart plug is only in the box if you add it when you order; you can also buy it on its own.
The smart plug goes between the bulb and the socket. You pair the plug, not the bulb, with its phone app, then set the times it turns the light on and off each day. Plants grow best with a regular day and night, so a timer does more than save a trip to the socket.
It looks warm white. Is it really full spectrum?
Yes. Colour temperature (3500K) describes how the light looks to us, not which wavelengths it holds. The Sun Bulb’s white LED covers the whole 400 to 700 nm range plants use, from blue to red, and puts out 19.16 µmol/s of it.
A cooler 6500K “daylight” bulb looks bluer, but that doesn’t make it better for plants. The warm white simply looks natural in a home.
Does it get hot?
The body gets warm while it’s on. That’s by design: the aluminium draws heat away from the LED so it lasts longer. Let it cool before you move or adjust it, and keep it clear of leaves and fabric.
What’s in the box?
Sun Bulb (every order)
- 1 Sun Bulb
- 4.5 m white fabric cable with a standard wall plug
- 3 wall cable fasteners, with wall plugs and screws
- 1 ceiling cable fastener, with a wall plug and screw
- instruction manual
with the wall bracket
- black metal bracket
- wall plugs and screws
- instruction manual
with the floor stand
- varnished bamboo stand
- screws and Allen keys
- setup manual
only if you add the smart plug
- wifi smart plug timer
- instruction manual
What are the specs?
| light | |
|---|---|
| Plant light output (PPF) | 19.16 µmol/s, in the 400 to 700 nm range |
| Brightness | 1157 lm (how bright it looks to us, not to plants) |
| Colour | 3500K, warm white |
| Beam angle | 15° to 50°, adjustable |
| LED | Bridgelux COB 1835 |
| power | |
| Power | 22 W, 220 V |
| Energy use | about 7.2 kWh a month |
| Rated life | 30,000 hours |
| Certifications | CE, SAA, RCM and UKCA |
| size | |
| Bulb | 95 mm across, 180 mm long |
| Cable | 4.5 m, white fabric |
| Metal wall bracket | reaches 310 mm out; 100 mm against the wall |
| Bamboo floor stand | 1,640 mm tall; 400 × 250 mm base |
growing with it
How high should I hang it, and how much can one bulb light?
It depends on what you grow. Most foliage houseplants, like monstera, kentia palm and aroids, are happy with 40 to 150 PPFD: hang it 0.5 to 1 m above with the beam wide, and it covers 1.3 to 2.5 m². Sun lovers like a fiddle leaf fig want more: hang it lower or focus the beam.
For one big plant, go higher and widen the beam until it covers the leaves, or light it from two sides with a second bulb.
| height | 15° beam | 50° beam |
|---|---|---|
| 0.25 m | 1,900 over 0.2 m² | 415 over 0.6 m² |
| 0.5 m | 850 over 0.4 m² | 135 over 1.3 m² |
| 0.75 m | 350 over 0.6 m² | 85 over 1.9 m² |
| 1 m | 200 over 0.8 m² | 48 over 2.5 m² |
| 1.25 m | 122 over 1 m² | 36 over 3.2 m² |
| 1.5 m | 90 over 1.2 m² | 22 over 3.9 m² |
| 1.75 m | 70 over 1.4 m² | 18 over 4.5 m² |
| 2 m | 50 over 1.6 m² | 14 over 5.2 m² |
| 2.5 m | 35 over 2 m² | not measured |
| 3 m | 24 over 2.4 m² | not measured |
How much does it cost to run?
About $2.50 a month at Australian power prices. It draws 22 W and uses about 7.2 kWh a month. The smart plug app shows exactly what yours uses.
Should I leave my grow lights on 24 hours a day?
No. Plants need a dark period each day to rest, so copy a natural day and night cycle rather than running lights around the clock. A wifi smart plug switches your light on and off by itself.
Light needs vary by plant. Too many hours of light can make some leafy greens, like spinach, bolt to seed.
Do grow lights work for plants in soil?
Yes. Our grow lights give plants the wavelengths they use to grow, so they work just as well for plants in soil as for hydroponic and aquaponic setups.
Lumens, watts, Kelvin or PAR: how do I compare grow lights?
Lumens measure brightness as the human eye sees it, not what plants use. Watts measure power use, not light output. Kelvin describes colour, from warm and reddish to cool and bluish. PAR is the range of light plants use for photosynthesis (400 to 700 nm), and PPFD measures how much of that useful light reaches your plants.
For growing, PAR and PPFD are the numbers that matter. Learn more in how much light do plants need?
What warranty does it come with?
1 year warranty from the date of purchase, on top of your rights under Australian Consumer Law. If anything goes wrong, contact us with your order number and a photo, and we’ll arrange a repair, replacement or refund.
We also offer change-of-mind returns on all products.
