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Sultan 5L Ornamental Weed Killer

Availability: In stock

Long Lasting Ornamental Weed Killer

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£150.00 Inc VAT £125.00 Ex VAT
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Product Description

MAPP No  10418

LERAP Category N/A

Active Ingredient 500g/l metazachlor

Boom Sprayer Rate – 1.5L per Hectare

Knapsack Rate 10ml per 10L of water

Area Covered Up to 3 Hectares or 30,000m2

Pack Size 5L

Required Safety Equipment - Gloves, Face Shield & Coveralls

Sultan is a residual herbicide which predominantly controls broad leaved weeds; however; it will also have some affectivity against grass weeds. It can be used around Ornamental Trees, Shrubs & Forestry. This makes it an ideal replacement for Ronstar which was taken off the market in 2014.

Apply as an overall treatment to the area using a knapsack or boom sprayer. New plantings can be treated after lining out or transplanting once the plants are established and sufficiently hardened off to withstand treatment. This may require irrigation before application which will also ensure adequate soil moisture. Apply 1.5 litres of Sultan in 220-450 litres of water per hectare. Use the higher water volume when seedbeds are less than ideal to ensure adequate coverage


Recommended Period of Use
Jan Feb
Mar Apr May
Jun Jul Aug Sep Oct Nov Dec
= Optimum time for application

Sultan will control the following weeds: Chickweed, Red Dead-Nettle, Forget-me-not, Mayweed, Annual meadow grass, Parsley Piert, Speedwell & Sheppard's Purse. It will also provide a degree of control against Cleavers, Cranesbill & Poppy.

Some of the below list may be treated with an overall spray. Not all species or cultivars have been tested and so only a small number of plants should be treated initially to gain experience with the treatment. Selectivity it is greatest when applied under cool, overcast conditions. Applications should not be made to soft, vigorously growing foliage, particularly during or after a period of warm days and cold nights.


Trees Shrubs
 Acer Fagus Pseudotsuga  Berberis Rhamnus
Fraxinus† Pyrus Cotoneaster
Ailanthus Gleditsia Quercus Cornus
Robinia† Escallonia Rubus
Amelanchia Larix Salix Euonymus Sambucus
Betula Malus Sophora† Forsythia Spirea
Carpinus Nothofagus Sorbus Hippophae
Ostrya Thuja Hypericum Symphoricarpus
Picea Tilia Ilex Tamarix
Chamaecyparis Pinus†   Ligustrum Viburnum†
Corylus†† Platanus   Mahonia
Populus   Philadelphus  
Davidia Prunus   Potentilla  

Note: † These species may show transient leaf curl, leaf necrosis and mottling (needle shortening on Pinus) from overall sprays. †† These species have been tested with a directed spray at the stem base only.



Our Recommendation

- Use Sultan as a replacement to Ronstar Liquid

- You can use Sultan in conjunction with Kerb Flo & Falcon for grass weed control

- Mix in with Blue Dye to ensure no areas are missed



Product Documentation

Product Label - click here

Material Safety Data Sheet (MSDS) - click here


Application Rates

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