Five steps for propagating in a greenhouse

The Holman 4 Tier Greenhouse with Misting Kit is the perfect greenhouse for creating a humid environment that your seeds need to propagate. It is great for narrow spaces such as courtyards, balconies and small places in your garden. Have your seedlings grow in an environment where they receive full-sun to part-sun year-round helping them thrive. See how easy it is to set up and start planting.

1. Set up the greenhouse

Start the assembly of the 4 tier greenhouse by laying out all of the parts, first you will want to join the side panels that make the base, insert the horizontal beam that acts as the middle support and continue this process for the remaining levels. Insert the roof beams into the top side panels and firmly push in, finish the set-up by placing the mesh shelves onto each level. 

a person assembling the greenhouse

2. Install the misting system

Start by connecting the pieces of supplied poly pipe together. Using an elbow connector, join two lengths together to create a 90° angle. Secure one length with an end cap and join the other length to a piece of poly pipe. Using the last piece of poly, trim it to the length of the greenhouse, use the second elbow connector and join to the smaller piece. Connect the pipe to the greenhouse by using the clips provided then insert the misting sprayers by piercing holes 1/3 and 2/3 of the way down. Twist the yellow end of the sprayers to insert them into the holes.

a spinkler spraying water in the greenhouse

3. Putting on the cover

Unzip the door of the clear cover, place it at the top of the greenhouse frame and pull it over. Secure the cover at the base of the greenhouse frame with the ties.

Tip: Keep the door open during the day to avoid overheating, especially during summer. Close the door when the days and nights are colder, to help maintain warmth. 

a person putting the cover on the greenhouse

4. Sow your seeds

Fill your seed trays with a premium seed raising mix and dust off any excess, make sure you do not compact the soil. Place two to three seeds per punnet, cover with a sprinkle of the seed raising mix. Lightly spray the seedling with water and place the trays inside the greenhouse. 

5. Watering your seeds with the misting system

Connect a hose to a nearby tap and join to the poly pipe at the bottom of the greenhouse. Turn on your tap and adjust the sprayer angles if needed. If you would like to automate water to your seedlings, consider adding a Holman Bluetooth Tap Timer to your set-up. Check the soil moisture after a few waterings and adjust as necessary.

the greenhouse set up with plants inside

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Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
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