Table of Contents
- Introduction
- Why Planting in Bulk Makes Sense
- Choosing the Right Varieties for Your Project
- Preparing for Your Bulk Shipment
- The Essentials of Successful Planting
- Water Correctively, Not Constantly
- Designing with Bulk Cannas
- Seasonal Care for Maximum Blooms
- Managing Your Investment: Overwintering
- Common Simple Fixes
- Creating a Sustainable Canna Cycle
- Summary of Canna Success
- FAQ
Introduction
There is something truly spectacular about a garden that feels like a private tropical getaway. Canna lilies are the champions of this look, offering oversized foliage and vibrant blooms that command attention from midsummer through the first frost. When you choose to plant canna lily bulbs bulk, you open the door to creating massive drifts of color and lush, living screens that can transform any backyard into a vacation destination.
At Longfield Gardens, we enjoy helping gardeners find the best ways to fill their spaces with high-quality, reliable plants. Buying in bulk quantities is one of the most effective strategies for achieving a professional, cohesive look in your landscape without a complicated design plan. Whether you are looking to line a long fence or fill a series of large patio containers, starting with a generous supply of rhizomes ensures a lush result.
This guide will walk you through the practical steps of planning, planting, and caring for canna lilies when working with larger quantities. You will learn how to handle bulk shipments, how to space them for maximum impact, and how to keep them thriving all season long. Planting canna lily bulbs in bulk is the most efficient way to build a high-impact, tropical landscape that returns year after year.
Why Planting in Bulk Makes Sense
In the world of garden design, more is often better when it comes to visual impact. This is especially true for canna lilies. These plants are bold by nature, and their dramatic presence is multiplied when they are grown in large groups.
Creating Visual Cohesion
When you plant a single canna lily, it acts as a lovely accent. When you plant twenty or fifty together, you create a sweeping statement of color and texture. Using the same variety in a large area creates a sense of harmony. It leads the eye through the garden and makes the space feel intentional and well-designed.
Designing Living Privacy Screens
Many gardeners use the taller varieties of canna lilies to create temporary summer hedges. If you have a patio that feels a bit too exposed to the neighbors, a row of cannas can provide a beautiful, flowering wall of green, bronze, or striped foliage. Buying in bulk allows you to space the rhizomes closely enough to create a dense screen that blocks views while adding beauty.
Cost-Effectiveness for Large Spaces
Landscaping a new home or filling a long border can be an investment. Choosing bulk quantities is a smart way to cover more ground. It allows you to fill large flower beds or long walkways for a lower cost per plant. This approach is perfect for gardeners who want to see big results in a single growing season.
Choosing the Right Varieties for Your Project
Not all cannas are the same. Before you order your canna lily bulbs bulk, it is important to consider the mature height and foliage color that will best serve your garden goals. We carry several distinct types that excel in different roles.
Tall and Majestic Varieties
Tall Cannas such as 'Red King Humbert' or 'Wyoming' can reach heights of five feet or more. These are the best choices for the back of a flower border or for creating privacy screens. 'Red King Humbert' is a classic choice with dark, bronzy-maroon foliage and bright red flowers. 'Wyoming' offers stunning orange blossoms against deep purple-tinted leaves.
Classic Green Foliage with Bright Blooms
If you prefer a crisp, traditional look, varieties like The President or 'Richard Wallace' are excellent. 'The President' features large, scarlet-red flowers and lush green leaves. 'Richard Wallace' provides a bright pop of sunshine with its lemon-yellow petals. These varieties look beautiful when massed together in large beds where the green foliage provides a cool backdrop to the fiery flowers.
Mid-Sized Varieties for Borders
For areas where you want color without obstructing a view, mid-sized cannas like City of Portland are ideal. These typically stay around three to four feet tall. They work beautifully in the middle of a tiered garden bed or as the focal point in a large cluster of containers. 'City of Portland' is particularly loved for its warm coral-pink flowers.
Key Takeaway: Match the variety to your goal. Use tall, dark-leaved varieties for privacy and drama, and use mid-sized, green-leaved varieties for traditional garden borders and large containers.
Preparing for Your Bulk Shipment
When you receive a large order of canna lily bulbs, or rhizomes, a little bit of preparation goes a long way. Handling them correctly from the moment they arrive ensures they have the energy they need to sprout vigorously. For shipping timing and zone-based scheduling, see our Shipping Information.
Inspecting Your Rhizomes
Open your shipment as soon as it arrives. Healthy canna rhizomes should feel firm and heavy for their size. It is normal for them to have a bit of surface dust or dried bits of last year's roots. You may even see small "eyes" or buds beginning to swell. These are the points where new growth will emerge.
Temporary Storage
If the weather is not yet warm enough to plant, you can store your rhizomes for a short time. Keep them in a cool, dry, and dark place. A garage or basement that stays between 45°F and 60°F is usually perfect. Keep them in the breathable packaging they arrived in to prevent moisture from building up, which can lead to softening.
Waking Up the Bulbs
Some gardeners prefer to "pre-start" their cannas indoors in pots about four to six weeks before the last frost, and How to Start Planting Canna Bulbs Indoors explains the process. This is a great idea if you live in a region with a short growing season. For bulk plantings, however, many people find it easier to plant directly into the ground once the soil is warm.
The Essentials of Successful Planting
To get the best results from your bulk canna lily bulbs, follow a few simple rules—All About Cannas covers the broader basics. Cannas are easygoing, but they do have specific preferences when it comes to their environment.
Right Plant, Right Place
Cannas are sun-worshippers. To get the best flowers and the most vibrant foliage, choose a spot that receives at least six to eight hours of direct sunlight every day. They also love heat. A spot near a south-facing wall or in the middle of an open lawn will provide the warmth they need to grow quickly.
Soil and Drainage
While cannas love water, they do best in soil that drains well. If your soil is heavy clay, you can improve it by adding organic matter like compost or shredded leaves. This helps the soil stay loose and airy, which the rhizomes prefer. If you are planting in an area that stays naturally damp, cannas are actually one of the few bulbs that can handle "wet feet" better than most, but they should never sit in stagnant, standing water for long periods.
Timing Beats Tricks
The most common mistake with canna lilies is planting them too early. These are tropical plants that do not like cold soil. Wait until the danger of frost has passed and the soil temperature has warmed to at least 60°F. In most regions, this is around the same time you would plant tomatoes or basil. If you plant them in cold, soggy soil, they will sit dormant and may not sprout until the weather truly warms up.
Depth and Spacing
For a mass planting, get the depth and spacing right to ensure the plants have room to breathe while still looking full.
- Depth: Plant the rhizomes about 3 to 4 inches deep.
- Orientation: Lay the rhizome horizontally in the hole. If you see visible eyes or sprouts, point them upward.
- Spacing: Space the rhizomes 1 to 2 feet apart. For a dense screen, stay closer to the 1-foot mark. For a large decorative bed, 1.5 to 2 feet is usually perfect.
What to Do Next:
- Wait for the soil to warm to 60°F before planting.
- Choose a location with at least 6 hours of full sun.
- Dig a shallow trench or individual holes 4 inches deep.
- Place rhizomes 12 to 18 inches apart and cover with soil.
- Water the area thoroughly to settle the soil.
Water Correctively, Not Constantly
When you have a large area filled with cannas, watering becomes a primary task. Because cannas have large leaves, they lose moisture through evaporation faster than many other garden plants.
Establishing the Roots
Immediately after planting, water the area well. This settles the soil around the rhizomes and removes air pockets. After this initial watering, you can wait until you see the first green shoots poking through the soil before you begin a regular watering schedule.
Deep Watering for Large Groups
Once the plants are growing actively, they prefer consistent moisture. Instead of a light sprinkle every day, give them a deep soaking once or twice a week. This encourages the roots to grow deeper into the soil, making the plants more resilient during hot, dry spells. If the weather is exceptionally hot, you may need to water more frequently, especially if your cannas are in containers.
Mulching for Moisture Retention
For bulk plantings, applying a layer of mulch is a huge time-saver. A 2-inch layer of bark mulch, straw, or pine needles helps keep the soil moist and cool. It also prevents weeds from competing with your cannas for nutrients and water.
Designing with Bulk Cannas
Using a large quantity of bulbs allows you to think like a professional landscaper. Here are a few ways to arrange your bulk canna lilies for the best visual impact.
The Power of One Color
One of the most sophisticated looks is a mass planting of a single variety. Imagine a long driveway lined entirely with the red flowers and bronze leaves of 'Red King Humbert'. This creates a repetitive rhythm that feels grand and elegant.
The "Stair-Step" Border
If you have a large flower bed, use the height of the cannas to your advantage. Plant tall varieties in the back, mid-sized varieties in the center, and shorter annuals or perennials in the front. This creates a wall of color that feels lush and full from top to bottom.
Filling Large Containers
If you have a large deck or a series of pillars at an entrance, use your bulk rhizomes to create massive container displays. A large pot (at least 15–20 inches in diameter) can hold three to five rhizomes. This results in a "bouquet" effect that looks much more substantial than a single plant in a pot.
Mixing Foliage Textures
You can also create interest by mixing different canna foliage types. Try alternating a green-leaved variety with a bronze-leaved variety. The contrast in the leaves is often just as beautiful as the flowers themselves.
Seasonal Care for Maximum Blooms
Cannas are relatively low-maintenance, but a little bit of attention will keep them blooming until the frost arrives.
Fertilizing for Success
Cannas are "heavy feeders," meaning they use a lot of nutrients to produce those massive leaves and stalks. For large plantings, it is easiest to use a balanced, slow-release fertilizer at planting time. You can also follow up with a water-soluble fertilizer every few weeks during the peak of summer to keep the energy levels high.
The Art of Deadheading
As the flowers on a stalk begin to fade, you can remove them to keep the plant looking tidy. This process is called deadheading. Be careful not to cut the entire stalk off too early, as new flower clusters often emerge just below the old ones. Once an entire stalk has finished blooming and no more buds are visible, you can cut that individual stalk back to the foliage level.
Supporting Tall Varieties
In very windy areas, the tallest cannas may occasionally need support. If you have planted them in a dense group, they often help hold each other up. However, if you notice a stalk leaning, a simple bamboo stake and some soft twine will keep it upright.
Managing Your Investment: Overwintering
Since you have invested in canna lily bulbs bulk, you likely want to keep them for next year. In USDA zones 8 and warmer, cannas can often stay in the ground year-round with a layer of mulch for protection. In zones 7 and colder, the rhizomes need to be lifted and stored for the winter. If you're not sure of your zone, check the Hardiness Zone Map.
When to Dig
Wait until the first frost of autumn has blackened the foliage. This frost tells the plant to move its energy down into the rhizome for dormancy. Once the leaves are brown and limp, cut the stalks down to about 2 to 4 inches above the ground.
How to Lift Large Quantities
Using a garden fork or a shovel, carefully dig around the perimeter of the canna clump. Lift the entire mass of rhizomes out of the soil. You will likely notice that the few rhizomes you planted in the spring have multiplied into a much larger cluster.
Cleaning and Drying
Shake off any loose soil. You can rinse them with a hose if the soil is very sticky, but it is not strictly necessary. Let the rhizomes air-dry in a protected, well-ventilated area (like a garage or porch) for a few days. This "cures" the outer skin and helps prevent rot during storage.
Winter Storage
For large quantities, storage crates or cardboard boxes work well.
- Place a layer of peat moss, vermiculite, or wood shavings in the bottom.
- Layer the rhizomes so they are not tightly packed.
- Cover with another layer of the storage medium.
- Store in a cool, dark place that stays between 40°F and 50°F.
Check your stored rhizomes once or twice during the winter. If they look shriveled, mist them lightly with water. If you see any soft spots, remove those pieces to keep the rest of the batch healthy.
Key Takeaway: Overwintering allows your bulk investment to grow even larger every year. One bulk order can eventually fill your entire neighborhood with color if you divide and store the rhizomes properly.
Common Simple Fixes
Even with the best care, you might have a few questions as the season progresses. Most canna issues are easy to solve with simple adjustments.
If They Aren't Blooming
The most common cause for a lack of flowers is not enough sun. If your cannas are growing tall but not producing buds, check if a nearby tree has leafed out and is now shading the area. If they are in the sun, they might just need a little more food. A quick boost of liquid fertilizer can often jumpstart the blooming process.
If the Leaves Look "Rolled"
In some areas, you might notice the leaves failing to unfurl or looking chewed. This is often caused by a small caterpillar known as a leaf roller. For large bulk plantings, the easiest approach is to simply keep an eye on the plants and remove any affected leaves. Keeping your garden clean of debris at the end of the season also helps reduce the presence of these pests the following year.
Dealing with Slow Starters
If your bulk planting is taking a while to emerge, don't worry. Cannas are very dependent on soil temperature. A cool spring will result in a slow start. Once the "dog days" of summer arrive and the heat picks up, cannas usually grow with incredible speed, often making up for a late start in just a few weeks.
Creating a Sustainable Canna Cycle
One of the best things about buying canna lily bulbs bulk is that you are starting a cycle of beauty. Because cannas are rhizomes, they naturally multiply underground. What starts as a bulk planting of 25 bulbs can easily become 75 or 100 bulbs after just one or two seasons.
When you dig them up in the fall, you can gently break the larger clusters apart. Each piece with at least one or two "eyes" will grow into a full-sized plant the following spring. This makes cannas one of the most rewarding plants for a gardener who wants to expand their landscape over time. You can use your extras to fill new garden beds, create more container displays, or share with friends and neighbors.
Summary of Canna Success
Working with large quantities of cannas is an exciting way to make a big impact in your yard. By focusing on the basics—warm soil, plenty of sun, and consistent water—you can ensure a successful growing season.
- Select for Impact: Choose tall varieties for screens and mid-sized varieties for borders.
- Wait for Warmth: Don't plant until the soil is at least 60°F.
- Space for Success: Give them 12 to 18 inches of room to grow.
- Water and Feed: Keep them hydrated and fertilized for the best blooms.
- Store for Next Year: Lift the rhizomes after the first frost to save your investment.
At Longfield Gardens, we believe that gardening should be a rewarding and joyful experience. By starting with a bulk supply of healthy rhizomes and following these straightforward steps, you can create a stunning, tropical-inspired landscape that you will enjoy all summer long.
Gardening is a journey that gets better with every season. Starting with a bulk planting is a confident step toward a more beautiful and vibrant outdoor space that reflects your personal style.
FAQ
How many canna lily bulbs should I buy for a 20-foot hedge?
To create a dense, private screen, we recommend spacing your canna rhizomes about 12 inches apart. For a 20-foot stretch, you would want to order at least 20 bulbs. If you want an even thicker, more immediate effect, you can stagger two rows, which would require about 35 to 40 bulbs.
Can I plant bulk canna lilies in large pots instead of the ground?
Yes, cannas thrive in containers! For a large, 20-inch pot, you can plant 3 to 5 rhizomes to create a very full look. Buying in bulk is actually a great way to ensure all your patio pots have a consistent look, which creates a professionally designed feel for your outdoor living area. For more container-spacing details, see How Many Canna Bulbs to Plant Together for a Lush Garden.
When is the best time to buy canna lily bulbs in bulk?
The best time to order is in late winter or early spring. This ensures you get the varieties you want before they sell out. We ship our rhizomes according to your USDA planting zone, so they arrive right when the timing is getting close to ideal for your local weather.
Do canna lilies come back every year?
In warmer climates (Zone 8 and south), canna lilies are perennials and will come back on their own. In colder climates (Zone 7 and north), they are treated as "tender perennials." This means you need to dig up the rhizomes in the fall and store them indoors to protect them from freezing temperatures so they can be replanted in the spring.