COMPOSTS & SOIL CONDITIONERS

COMPOSTS & SOIL CONDITIONERS

Discover our range of green waste free composts and soil conditioners, including Australian Certified Organic options. Improve your garden's health with our high-quality products. Transform your garden today with premium Hobart landscaping supplies designed to deliver long-term results.

BIOCHAR Compost

Bulk Density – 600kg per m3

Price $205.00 p/m3 (Inclusive of GST)

BIOCHAR Compost is a blend of 10% BIOCHAR and 90% SeaGreens Compost. This is perfect for veggie gardens or as a soil improver to bring back life to depleted soils. It will improve the structure of your soil indefinitely. It will also improve the water holding capacity of the soil as BIOCHAR holds over 2.7 times its volume in water. It also holds nutrients much like water, releasing them into the soil over time.

Not for pots. To be blended into soil & not for planting directly into.

Gypsum

Bulk Density – 1000kg per m3

Price $715.00 p/m3 (Inclusive of GST)

Our Gypsum has a fine almost sand like consistency and is great for breaking down clay to improve the drainage properties of soil. Gypsum also increases calcium in the soil, an important plant nutrient.

Garden Lime

Bulk Density – 2000kg per m3

Price $195.00 p/m3 (Inclusive of GST)

Ag-lime or Garden Lime raises the pH of the soil to make it more alkaline. It is an important soil conditioner and great to add in when planting crops like legumes. Garden Lime adds calcium to the soil.

BIOCHAR Pure

Bulk Density – 620kg per m3

Price $2125.00 p/m3 (Inclusive of GST)

BIOCHAR Pure is BIOCHAR in its raw form and needs to be activated in compost or liquid fertiliser before being put into the garden. If it is put into the garden raw it will take up nutrients from the soil rather than add them in and provide the full benefit of BIOCHAR. The best application rate for BIOCHAR is between 5% and 20% (5L - 20L per 100L of potting media).

Dolomite Lime

Bulk Density – 2000kg per m3

Price $225.00 p/m3(Inclusive of GST)

Dolomite lime contains calcium carbonate and magnesium carbonate. Dolomite lime increases the soil pH and adds calcium & magnesium into the soil.

Mushroom Compost

Bulk Density – 700kg per m3

Price $100.00 p/m3 (Inclusive of GST)

Sourced from a Tasmanian mushroom farm and blended on site, great to mix into veggie beds!

Not for pots. To be blended into soil & not for planting directly into.

SeaGreens Organic Compost

Australian Certified Organic

Bulk Density – 600kg per m3

Price $75.00 p/m3 (Inclusive of GST)

SeaGreens Organic Compost is an Australian Certified Organic* compost made from waste hardwood biomass, organic screened cow manure, seaweed and kelp extracts.

Compost is a soil improver/amendment and should not be planted directly into. We also recommend the application of additional organic sources of nitrogen such as Organic Powerfeed, Organic Charlie Carp or granuluar products like Richgro Organics Nitrogen Booster.

Application Rate:

The recommended application rate for SeaGreens Organic Compost is 60 litres per square metre and thoroughly mixed into 200mm of soil depth.

Not recommended for pots or phosphorus sensitive native plants.

pH Level:

This product is a Certified Organic* product that cannot have traditional chemical products added to it to balance pH. The pH of the product when it leaves our yard is always in an acceptable band. The pH can tend towards alkaline if allowed to dry out. The compost should be kept covered and moist if not using straight away. When using the product, the area you have mixed the compost into should be kept moist for 2 weeks for the best results.

* This product is allowable for use on farms (or in facilities) certified to the Australian Certified Organic Standard

Why Choose Our Compost & Soil Conditioners for Your Hobart Garden

At HALS, we craft our compost and soil conditioners with a deep understanding of Hobart’s unique growing conditions. Our range includes Australian Certified Organic composts enriched with seaweed, biochar, and natural nutrients—formulated to improve soil structure, enhance water retention, and support long-term plant health. Whether you're building up depleted soil or nurturing a thriving veggie garden, our blends provide a reliable foundation for growth while supporting environmentally conscious gardening practices. It’s all part of our commitment to providing Hobart landscaping supplies that meet the highest quality standards.

Enrich Your Garden with Premium Compost – Delivered Across Hobart

Give your garden the organic boost it deserves with HALS' nutrient-rich composts and soil conditioners. Whether you're rejuvenating tired soil or preparing for a thriving vegetable patch, our certified organic blends are the perfect solution. Contact us today for expert advice or to schedule fast, reliable delivery anywhere in Hobart, and explore our full range of premium Hobart landscaping supplies.

FAQs About Compost & Soil Conditioner

What is the best compost for vegetable gardens in Hobart?

HALS’ SeaGreens Organic Compost and Cow Manure Compost are both excellent choices for vegetable gardens. They enrich the soil with organic matter, improve structure, and provide a balanced nutrient profile ideal for growing produce in Hobart's diverse climates.

Is your compost certified organic?

Yes, our SeaGreens Organic Compost is Australian Certified Organic. It contains composted materials like seaweed, kelp extracts, and organic inputs that meet strict certification standards for safe and sustainable gardening.

Can I use compost as a mulch?

Absolutely. Compost can be used as a top layer to retain moisture, suppress weeds, and add nutrients to the soil over time. It's particularly effective in Hobart’s dry periods and works well around garden beds and shrub

Do you deliver compost in bulk across Hobart?

Yes, HALS offers fast and reliable bulk compost delivery throughout Hobart and surrounding areas. Whether you're a home gardener or a commercial landscaper, we can supply the quantity you need for your project.