Build a Vertical Garden Paradise with Stacked Cinder Block Planters
For those with limited outdoor space, vertical gardening opens up new possibilities to grow herbs, greens, flowers, and more. Stacked cinder block planters offer a versatile, budget-friendly way to create vertical gardens even in the smallest spots. Read on as we share how to use cinder blocks to build your own vertical garden paradise!
The Benefits of Cinder Block Vertical Gardening
Vertical gardening maximizes growth in compact areas by utilizing vertical space to plant upwards rather than outwards. Stacked cinder blocks make excellent vertical planters because they are:
- Inexpensive and easy to find
- Durable and weather resistant
- Customizable - easily painted or stained
- Stackable into any height and configuration
- Provide airflow and drainage for healthy roots
Other advantages of vertical gardening with cinder blocks include:

- Great for small patios, balconies, and urban gardens
- Allows for creative configurations and plant arrangements
- Conserves water since containers dry out faster
- Controls weeds and reduces pests
- Extends your growing season into winter
Planning Your Cinder Block Vertical Garden Design
When designing your stacked cinder block vertical garden, consider the height, width, location and visual appeal. Freestanding vertical gardens can be designed to any dimensions, while wall-attached ones should be secured safely. We'll cover the key considerations:
Height and Width
The footprint of your vertical garden depends on the space available. Standard 10 x 8 x 16 inch cinder blocks can be stacked 2-3 high for a less imposing structure. For a taller vertical garden, reinforce with landscape adhesive or mortar between layers.
Leave 1-2 inch gaps between blocks for airflow and drainage. Wider gaps look more ornamental but offer less support. Include varied depths for interest by recessing blocks or angling them.
Location
Evaluate sunlight exposure, views, accessibility and room function when choosing a location. Vertical gardens complement patios, accent walls, corners, fences and entrances. For freestanding units, allow walking room in front.
Visual Interest
Plain cinder blocks can be painted, stained, decorated with textures or embellished to add interest. Consider a mosaic tile design or alternating block colors. Get creative with 3D patterns by recessing blocks or stacking them at angles.
Vining flowers, varied plant heights and creative arrangements boost visual appeal. Include rustic or modern decor like trailing ivy, ornamental grasses, trellises and garden art.
Selecting Plants for Vertical Cinder Block Gardens
Not all plants thrive in vertical gardens. When selecting plants, opt for varieties that:
- Prefer well-draining soil
- Are drought and heat tolerant
- Have compact growth habits
- Include herbs, trailing flowers, leafy greens and more
Avoid large vegetables, heavy vines, and plants prone to mildew or mold. Herbs like thyme, oregano, sage, and lavender grow beautifully. Leafy greens, radishes, and dwarf cherry tomatoes also produce well. Trailing flowers like lobelia, petunias, and calibrachoa cascade nicely.
Match sun-loving plants to vertical gardens in full sun. Shade tolerant varieties thrive on walls with eastern or western light. Check tag specs for mature sizes and space plants accordingly.
Preparing Cinder Blocks and Soil
Proper soil prep and drainage are key to healthy vertical garden plants. Here are some tips:
- Fill cinder block drainage holes with gravel to improve drainage
- Line blocks with landscape fabric to reduce soil leakage
- Use a lightweight potting mix instead of garden soil which is too heavy
Potting mixes drain well but lack nutrients, so mix in compost or organic fertilizer. Moisten soil before adding plants as dry soil shrinks and pulls away from block walls.
Planting and Arranging Your Vertical Garden
When planting, creatively arrange your vertical garden based on plant heights. Place the tallest plants towards the top and cascade shorter ones downwards. Check that soil level suits each plant's depth needs.
Pack soil around new plants to prevent air pockets and water well. Consider adding drip irrigation tubes if your structure exceeds 3 feet tall. This eases watering without drenching lower plants.
Leave gaps between plants for airflow and light exposure to prevent mold and mildew. Place spreading plants like trailing lobelia near block edges. Upright plants like lavender look best in block centers.
Caring for Your Cinder Block Vertical Garden
Proper vertical garden care keeps plants healthy. Key tips include:
- Water 1-2 times daily checking soil moisture
- Apply diluted liquid fertilizer every 2-4 weeks
- Trim and prune overgrown plants
- Replace spent plants or repot into larger planters
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Get Inspired With These Creative Cinder Block Garden Ideas
From simple color blocking to unexpected materials, there are endless ways to get creative with cinder block vertical garden designs. Here are some inspiring ideas:
Color Blocking
Paint blocks different colors in alternating patterns for a modern, graphic look. Try bold colors like lime green, sky blue or tomato red. Softer shades also blend beautifully.
Unexpected Materials
Incorporate unexpected materials like marbles, tiles or glass blocks for unique textures and accents. Recycled glass bottles also craft creative block planters.
Tropical Theme
Create a tropical getaway by including palm varieties, hibiscus, and ornate containers. Use arches or pergolas overhead for an exotic feel. Warm paint colors enhance the look.
Succulent Showcase
Let your collection of succulents and cacti steal the show against plain blocks and gravel. Their striking shapes and textures shine in this simple setting.
Vertical Herb Garden
Cultivate your favorite cooking herbs in a handy vertical garden near your kitchen. Include staples like thyme, rosemary, oregano and sage.
Vertical gardening with cinder blocks lets you maximize every bit of outdoor space creatively. Tailor stacked cinder block planters to your unique space and style for a beautiful vertical garden. With a little planning and preparation, anyone can create a lush vertical paradise, right at home.