Skip to content
  • 🚚 Free shipping over $25 🚚
  • 🚚 Free shipping over $25 🚚
Gardening SuppliesGardening Supplies
  • Menu
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Plant Supports
    • Flower Supports & Trellises
    • Vegetable Supports & Trellises
    • Tomato Cages & Supports
    • Plant Support Accessories
  • Garden Tools
    • Pruners & Loppers
    • Weeders & Cultivators
    • Trowels & Planting Tools
    • Trugs & Harvest Baskets
    • Shovels & Hoes
    • Garden Carts
    • Tool Belts Totes & Organizers
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Soils & Fertilizers
    • Potting Soil Mixes
    • Fertilizers
    • Soil Amendments
  • Watering & Irrigation
    • Hose Reels & Organizers
    • Sprinklers & Timers
    • Rain Barrels
    • Hoses
    • Irrigation Systems
    • Nozzles & Sprayers
    • Watering Accessories
    • Watering Cans
    • WaterWell Kits & Components
  • Season Extenders
    • Plant Protectors & Row Covers
    • Greenhouse Kits
    • Greenhouse Accessories
    • Cold Frames
  • Planting Accessories
    • Row & Plant Markers
    • Garden Edgings
    • Weed Mats & Mulches
  • Seeds
    • Vegetable Seeds
    • Herb Seeds
    • Flower Seeds
    • Fruit Seeds
  • New Products
Home / Season Extenders / Greenhouse Kits
-75%
MONT Premium Greenhouse Extension, 8' X 4'

MONT Premium Greenhouse Extension, 8′ X 4′

$399.00 Original price was: $399.00.$98.99Current price is: $98.99.

Clear
SKU: Z2FYZ 8611179 Categories: Greenhouse Kits, Season Extenders Tags: Greenhouse, Greenhouse accessories, Greenhouse kits, Greenhouses, Grow house
  • 100% environmentally friendly material
  • Buy quality, buy with us.
  • Effortless Shopping, Quality Products
  • Online assistance, always just a message away.
Browse
  • Garden Tools
    • Garden Carts
    • Pruners & Loppers
    • Shovels & Hoes
    • Tool Belts Totes & Organizers
    • Trowels & Planting Tools
    • Trugs & Harvest Baskets
    • Weeders & Cultivators
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Plant Supports
    • Flower Supports & Trellises
    • Plant Support Accessories
    • Tomato Cages & Supports
    • Vegetable Supports & Trellises
  • Planting Accessories
    • Garden Edgings
    • Row & Plant Markers
    • Weed Mats & Mulches
  • Season Extenders
    • Cold Frames
    • Greenhouse Accessories
    • Greenhouse Kits
    • Plant Protectors & Row Covers
  • Seeds
    • Flower Seeds
    • Fruit Seeds
    • Herb Seeds
    • Vegetable Seeds
  • Soils & Fertilizers
    • Fertilizers
    • Potting Soil Mixes
    • Soil Amendments
  • Watering & Irrigation
    • Hose Reels & Organizers
    • Hoses
    • Irrigation Systems
    • Nozzles & Sprayers
    • Rain Barrels
    • Sprinklers & Timers
    • Watering Accessories
    • Watering Cans
    • WaterWell Kits & Components
  • Description
  • Additional information
  • Reviews (0)

Extend Your Premium Greenhouse

  • Ships directly from supplier

The Monticello 4 foot extension Premium kit is specifically designed for the Monticello line of greenhouses. The idea is simple, as your gardening greenhouse needs to grow so can you greenhouse. The 4 ft extension kit allows for the expansion of your greenhouse. The Monticello is proudly made in the USA from start to finish. Each 4ft extension kit comes includes a 2ft x 2ft roof vent with automatic opener and gutters. This is a Premium Package, which includes the Monticello Greenhouse extension, and additional sections of Commercial Work Bench, Interior Shade, and Watering System. When ordering your extension kit make sure that the color matches your existing greenhouse. This extension is designed specifically for Black frames.

Product Details

  • Aluminum/Polycarbonate
  • Frost-proof
  • Assembly required
  • 49″ L x 101″ W x 90″ H
  • Made in USA
Color

BLACK, SILVER

Reviews

There are no reviews yet.

Be the first to review “MONT Premium Greenhouse Extension, 8′ X 4′” Cancel reply

Related products

-30%
GadgetKlip® Plastic Garden Clips, Set Of 12
Quick View

GadgetKlip® Plastic Garden Clips, Set Of 12

$34.95 Original price was: $34.95.$24.47Current price is: $24.47.
-72%
MONT Greenhouse Powered Ventilation System
Quick View

MONT Greenhouse Powered Ventilation System

$351.00 Original price was: $351.00.$99.99Current price is: $99.99.
-30%
Medium Garden Cloches, Set Of 6
Quick View

Medium Garden Cloches, Set Of 6

$24.99 Original price was: $24.99.$17.49Current price is: $17.49.
-30%
ShrubJacket Covers
Quick View

ShrubJacket Covers

$29.99 Original price was: $29.99.$20.99Current price is: $20.99.
-73%
MONT Greenhouse Work Bench System, 8' X 12'
Quick View

MONT Greenhouse Work Bench System, 8′ X 12′

$363.00 Original price was: $363.00.$97.99Current price is: $97.99.
-71%
Canopia® By Palram Balance Greenhouse, 8' X 12'
Quick View

Canopia® By Palram Balance Greenhouse, 8′ X 12′

$339.00 Original price was: $339.00.$96.99Current price is: $96.99.
-30%
Crop Coop Extension Covers Set
Quick View

Crop Coop Extension Covers Set

$49.99 Original price was: $49.99.$34.99Current price is: $34.99.
-73%
MONT Mojave Greenhouse, 8' X 12'
Quick View

MONT Mojave Greenhouse, 8′ X 12′

$365.00 Original price was: $365.00.$97.99Current price is: $97.99.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

[contact-form-7 id="15"]
Copyright 2025 © www.usgardeningtoolssale.com
  • Plant Supports
    • Flower Supports & Trellises
    • Vegetable Supports & Trellises
    • Tomato Cages & Supports
    • Plant Support Accessories
  • Garden Tools
    • Pruners & Loppers
    • Weeders & Cultivators
    • Trowels & Planting Tools
    • Trugs & Harvest Baskets
    • Shovels & Hoes
    • Garden Carts
    • Tool Belts Totes & Organizers
  • Pest & Disease Controls
    • Animal Controls
    • Fences & Barriers
    • Insect Controls
    • Plant Disease Controls
  • Soils & Fertilizers
    • Potting Soil Mixes
    • Fertilizers
    • Soil Amendments
  • Watering & Irrigation
    • Hose Reels & Organizers
    • Sprinklers & Timers
    • Rain Barrels
    • Hoses
    • Irrigation Systems
    • Nozzles & Sprayers
    • Watering Accessories
    • Watering Cans
    • WaterWell Kits & Components
  • Season Extenders
    • Plant Protectors & Row Covers
    • Greenhouse Kits
    • Greenhouse Accessories
    • Cold Frames
  • Planting Accessories
    • Row & Plant Markers
    • Garden Edgings
    • Weed Mats & Mulches
  • Seeds
    • Vegetable Seeds
    • Herb Seeds
    • Flower Seeds
    • Fruit Seeds
  • New Products
  • Login

Login

Lost your password?

Register

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.