Hormex Rooting Powder #8 1 Lb

Hormex Rooting Powder #8 is a professional-strength cloning powder formulated for moderately difficult to root woody plant varieties — including Cypress, Magnolia, Lilac, Maple, Juniper, Grape, Olive, Privet, Rhododendron, and multiple Azalea species. Sold in a 1 lb container, it uses Hormex’s proprietary Hormogenization process to deliver consistent, rapid rooting without alcohol, preservatives, or dyes. It works across all growing media, including hydroponics and aeroponics setups.

Hormex Rooting Powder #8 Specifications

Specification	Value
Brand	Hormex
Product Name	Rooting Powder #8
Net Weight	1 lb
Shipping Weight	1.20 lb
Strength Level	#8 — Moderately Difficult to Root Woody Varieties
Formulation	Dry powder (Hormogenized)
Additives	Alcohol-free, preservative-free, dye-free
Compatible Growing Media	Hydroponics, aeroponics, soil, coco, rockwool, and all other media
Application Method	Snip N Dip (dip fresh cutting into powder)
Supplier SKU	HP120108

Why Choose Hormex Rooting Powder #8

Hormex Rooting Powder #8 is the right choice when you are trying to propagate species that don’t root easily from a simple dip. Woody shrubs, ornamental trees, and vining plants in the moderately difficult category often stall or fail in standard rooting gels that aren’t calibrated to their needs. The #8 strength is specifically formulated for this difficulty tier.

The Hormogenization process is Hormex’s proprietary manufacturing method. It ensures the active hormone is distributed uniformly throughout the powder rather than concentrated at the surface or settled at the bottom. In practice, this means each cutting receives a consistent dose regardless of where in the container you dip — which matters for large propagation batches where consistency across trays determines yield.

The powder is free of alcohol, preservatives, and dyes. Alcohol-based carriers can desiccate the cambium layer at the cut surface; by eliminating it, Hormex avoids introducing stress at the exact point where new root cells need to form. The formula also includes properties that help prevent root rot in fresh cuttings without relying on fungicides or herbicides, which is relevant for growers running certified-organic or reduced-chemical programs.

• Strength #8 targets the moderately difficult to root woody variety range — not too weak to initiate rooting, not so strong it causes tissue damage on mid-range species
• Hormogenized formulation delivers uniform hormone concentration across the entire jar for batch-consistent results
• Alcohol-free, preservative-free, and dye-free — reduces chemical load on fresh cut tissue
• Helps prevent root rot in cuttings without fungicides or herbicides
• Works in hydroponics, aeroponics, rockwool, coco, peat, and all other growing media

Best Uses for Hormex Rooting Powder #8

This product is best suited for propagators working with species in the moderately difficult to root category. The canonical row lists the following plant types as appropriate targets for #8 strength:

• Woody ornamental shrubs: Azalea Arborescens Grandiflora, Azalea Canescens, Azalea Roseum, Rhododendron varieties, Lilac, Privet — shrubs that typically require a higher auxin concentration to break dormancy at the cut site
• Conifers and evergreens: Cypress and Juniper varieties — species with resinous stems that can be slow to callus without targeted hormone support
• Fruit and ornamental trees: Grape, Olive, Magnolia, and Maple — propagated from hardwood or semi-hardwood cuttings where rooting time without hormone intervention can be unpredictable
• Propagation trays in controlled environments: Clone rooms, grow tents, and aeroponic cloners where growers need consistent results across large batches of cuttings from the same mother plant
• Mixed-media propagation: Rockwool starter cubes, coco plugs, rapid rooter plugs, and net pot aeroponic systems — the dry powder format applies cleanly to the cut stem before insertion into any of these substrates
• Fruit and vegetable propagation: While #8 is calibrated for woody varieties, Hormex confirms the product line supports fruiting and vegetable crops where growers choose to propagate from cuttings rather than seed

If you are propagating in fabric containers after rooting, or transplanting rooted clones into Pro-Mix HP with mycorrhizae, Hormex #8 integrates cleanly — the powder residue is minimal and does not interfere with downstream media or microbial populations.

Hormex Rooting Powder #8 vs Similar Rooting Products

Hormex offers its rooting powder line in multiple numbered strengths, from low (#1, for the easiest-to-root species) to high (for the most difficult). The #8 level sits in the mid-to-upper range of the line, above the lower numbers used for soft-stemmed herbs and easy-rooting perennials, and below the highest concentrations reserved for the most recalcitrant woody species.

Rooting gels and liquids are the main alternative format. Gels coat the stem evenly and can be convenient for a small number of cuttings, but they require refrigeration after opening to prevent degradation, and they can introduce more moisture to the cut site than a dry powder. Hormex’s dry powder format stays shelf-stable without refrigeration, which is relevant for large-scale propagation operations that buy in bulk and use product over multiple cycles.

Within the Hormex line, the difference between adjacent strength numbers (#4 vs #8, or #8 vs a higher number) is the concentration of the active hormone. Choosing the wrong strength — too low for a difficult species, too high for a tender one — can slow rooting or cause tip burn on sensitive tissue. Hormex’s numbered system is designed to help propagators match strength to species difficulty, rather than applying a one-size approach.

The 1 lb container size is a commercial quantity. Growers propagating at small scale may want to compare it against the smaller Hormex packaging if available; the 1 lb jar is best suited for operations running multiple propagation cycles per season and taking enough cuttings to justify the volume.

Compatibility

Hormex Rooting Powder #8 is compatible with all standard propagation setups. According to the manufacturer, it works in hydroponics, aeroponics, and all growing media — this includes rockwool cubes, rapid rooter plugs, coco coir plugs, peat pellets, perlite, and soil-based starter mixes.

Because the product is applied to the cut stem before insertion into the rooting medium, compatibility is primarily a question of stem type rather than media chemistry. The powder is activated by moisture in the stem and surrounding medium — no pre-mixing with water or nutrient solution is required.

The product is free of fungicides and herbicides, which makes it compatible with organic and reduced-chemical growing programs. Growers using mycorrhizal inoculants in their rooting media should note that the powder is applied to the stem tip only and does not coat the media, so inoculant populations in the rooting block or plug are not directly affected.

There is no published voltage or temperature operating range for this product. As a dry powder, it should be stored in a cool, dry location away from direct sunlight and excessive heat to maintain potency. High ambient humidity in storage can cause clumping, which may affect how cleanly the powder adheres to the cut surface.

Usage Guidelines

Hormex describes its application method as Snip N Dip: take a cutting, then immediately dip the cut end into the powder before inserting into the rooting medium. The following guidelines are derived from the canonical product description and standard propagation practice for rooting powders of this type.

1. Select your cutting: Take a 3–6 inch stem cutting from a healthy mother plant using a clean, sharp blade. Cut at a 45-degree angle just below a node to maximize the surface area available for rooting.
2. Remove lower foliage: Strip any leaves from the lower third of the stem that would be submerged in the rooting medium, to prevent rot and disease at the insertion point.
3. Snip N Dip: Pour a small amount of Hormex #8 powder into a separate dish — do not dip directly into the storage container, as contamination from plant material can degrade the remaining powder. Dip the freshly cut stem end into the powder, coating approximately 0.5–1 inch of the cut surface. Tap off any excess.
4. Insert immediately: Place the treated cutting into your prepared rooting medium — rockwool cube, coco plug, rapid rooter, aeroponic basket, or other substrate — before the powder dries or the cut surface begins to oxidize.
5. Maintain humidity: Cover cuttings with a humidity dome or place in a high-humidity environment (70–80% RH) to reduce transpiration stress while roots develop. Bottom heat at 70–75°F accelerates rooting in most woody varieties.
6. Monitor and wait: Moderately difficult to root woody varieties typically require longer rooting windows than soft-stemmed plants. Check for root emergence at the base of the plug or cube, and avoid pulling or disturbing cuttings prematurely.

Do not use more powder than adheres naturally to the wet cut surface — applying excess can inhibit rather than promote rooting in some species. Store unused powder in the sealed jar in a cool, dry location.

Sources & Further Reading