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About Us

OUR COMPANY

Gibb-Gro is part of the privately owned NZ company Rainbow & Brown Ltd.  Gibb-Gro brand has been registered for 12 years and Rainbow & Brown Ltd has been operating in New Zealand for more than 25 years and growing stronger every year. We have customers all over New Zealand.

Our main product is Gibb-Gro Gibberellic Acid growth promoter but we do also sell products to enhance the effectiveness of Gibb-Gro such as Seaweed Concentrate Flake, SuperWetter, Potassium Humate as well as a range of Nitrosol products. We pack and supply products in NZ then we sell directly to you.  This is why our prices are so attractive - it is effectively the "wholesale" price, direct from the manufacturer.  Rainbow & Brown Ltd supply a wide range of pastoral fertilisers and growth products as well as herbicides and adjuvants.

OUR PEOPLE

The directors of Gibb-Gro (Rainbow & Brown Ltd) have been involved in the NZ agricultural chemical business for over 20 years. They are actively involved in the day-to-day running and building of the business. 

ORDERING

You can order anytime by phone, e-mail, or online via Rainbow & Brown:

Email: mail@rainbowbrown.co.nz

Phone: 0508 299 299

Website: www.RainbowBrown.co.nz

If you phone our freephone number, you may at times get an answering machine.  That means we are already on the phone or doing something else.  Or it may be after office hours (see below).  Don't be alarmed; leave your name and number and soon we will call you back.  If we already have all your details, leave your order (with your name and contact phone number on the machine).

DELIVERY

We send your order within 24 hours.  Delivery will usually take between 1 and 4 days. Please order via Rainbow & Brown website.

PAYMENT

All payments are processed as per the terms and conditions on the Rainbow & Brown website.

REFERRALS

If you recommend our products to a friend, and they mention you when they first order from us, we will apply a $10 discount for each product in your next order (excluding sale items).  Word-of-mouth recommendation is the best form of advertising and we want to show our appreciation of your faith in us.