Stim-Root #2 0.4% IBA Rooting Hormone 500g
Plant-Prod Stim-Root #2 is ideal for rooting semi-hardwood plants, and easy to propagate evergreens such as Berberis, Briar, Euonymus, Clematis, Cydonia, Currant, Spiraea, Gooseberry, Dogwood, Rubber Plant, and Viburnum.
Stim-Root® dry IBA formulation rooting hormones stimulate rapid root growth while increasing root uniformity and rooting percentage of cuttings.
Indole-3-butyric acid or IBA, is the active ingredient that encourages the cutting to develop roots when it otherwise would not.
DIRECTIONS
- Cut just below a node or leaf join, where there are already naturally occurring plant auxins.
- Then remove any lower leaves, where the roots will grow from.
- Ensure your cuttings are fresh and the wound is clean.
- Pour the powder or gel into a sterile container
- Dip lower 1 cm of cutting into STIM-ROOT. Tap to remove surplus powder.
- Plant into rooting medium.
For Semi-Hardwood:
- Berberis, Briar, Euonymus,
Clematis, Cydonia, Currant,
Spiraea, Gooseberry,
Dogwood, Rubber Plant,
Viburnum
Guaranteed Minimum Analysis:
- Indole-3-butyric acid…………0.4%
All plants naturally possess hormones, including the growth hormone auxin, which is produced in immature parts of the plant, where growth is necessary. Synthetic auxins are used in hormone rooting powders and gels to replicate natural growth conditions in plants, and encourage roots to form. Hormone rooting powders often also contain cytokinins (another plant growth hormone), fungicides and other chemicals, which reduce the risk of the plants succumbing to fungal infections.
Rooting hormones increase the chance of your cuttings taking root. What’s more, the root will usually develop quickly and be stronger than when plant-rooting hormones aren’t used. While many plants root freely on their own (see below), using a root hormone makes the task of propagating ‘difficult’ plants much easier.
It’s best to use powders and gels as it’s possible to damage the cuttings if you accidentally use too much of the rooting liquid.
Cuttings are vulnerable because they don’t have roots to absorb moisture. Prevent evaporation from the leaves by creating a humid environment, either by placing the cuttings in a propagator or fixing a clear plastic bag around the pot to lock moisture in. A heated propagator will also provide bottom heat, which can aid root growth.
Place your cuttings in a spot where they will receive dappled sunlight.
Keep an eye out for new leaves. Once new growth is apparent, roots will have developed. Remove the plastic bag, or propagator lid, and water the compost if necessary.
Tips for success
- Take your cuttings in the morning when they’re full of water
- Avoid taking cuttings from flowering shoots, as these are less likely to root
- Remember that applying too much rooting hormone can damage the cutting
- Don’t get the rooting hormone on the foliage, because this causes misshapen leaves
- Cut large leaves in half to reduce the surface area from which the cuttings can lose moisture
- Use bottom heat to also aid root growth – you can buy heated mats or heated propagators to create an even, warm, temperature from below
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