Raised bed depth: why seventeen inches keeps coming up
Notes from the counter at Jamali Floral and Garden in New York, NY.
Root depth decides the crop list
Shallow beds of six to eight inches grow lettuce, herbs and radish well. Carrots, parsnips and full size tomatoes want twelve inches or more, and potatoes want more again.
Choosing a depth is really choosing what you are allowed to plant for the next several years, which is why it is worth deciding before buying.
Deeper beds are more forgiving
A deep bed holds more soil, and more soil holds more water and buffers temperature. In a city, on a roof or a paved yard, that buffering is the difference between watering twice a day in August and watering once.
It also means a missed day does not kill the crop.
The soil cost is real
Depth multiplies volume quickly, and soil is usually the largest single cost of a raised bed. Calculate the cubic volume before ordering rather than after.
Filling the bottom third with coarse organic material reduces the bought soil needed without much affecting most crops.
Galvanized metal and heat
Metal beds warm faster in spring, which extends the season at the start. In high summer the edges get warm, so keep thirsty plants away from the immediate perimeter.
The effect is often overstated online but it is real at the margins in a hot exposed spot.
Height for the gardener, not just the plant
Taller beds are dramatically easier on backs and knees, and for anyone gardening from a seated position they are the difference between possible and not.
That is a legitimate reason to buy deeper than the crop strictly requires.
Modular kits and changing your mind
Several of the metal kits assemble into more than one footprint from the same box, which matters when you are not yet sure how the space will be used.
A bed you can reconfigure next season is worth a small premium over a fixed rectangle.
Where this sits in the shop
Jamali Floral and Garden groups its stock into 4 categories, so most of what is discussed above lives in one or two of them:
- Bed Liners and Accessories — 3 items
- Fabric Grow Bags — 7 items
- Planters and Pots — 10 items
- Raised Garden Beds — 8 items
Browsing by category is usually quicker than searching, because the groups follow how the goods are actually used rather than how a supplier lists them.
The largest group at the moment is Bed Liners and Accessories with 3 items, and the smallest is Raised Garden Beds with 8. Those counts move as stock comes in and goes out, so they are worth checking rather than assuming.
From our shelves
A few items currently in stock that relate to this article:
- Vego garden Raised Garden Bed Kit, 17" Tall 10 in 1 Jumbo Modular Metal Raised Garden Beds, Metal Planter Box for Vegetables, Flowers, Herbs, Olive Green
- BUYYAH Corten Steel Planter w/Rust Patina Finish, Perfect for patios, terraces, and Commercial or Residential Settings, Cube Planter, 40in x 20in x 20in Outdoor Box beautifies Flowers, Trees, shrubs
- Vego garden Raised Garden Bed Kits, 17" Tall 6 in 1 Modular Metal Raised Planter Bed for Vegetables Flowers Patio Ground Planter Box-Olive Green
- KETOYARK HDPE Raised Planter Box Outdoor,Rot-Resistant and Non-Cracking,Small Raised Beds for Gardening 29.5 * 14.4 * 9.8 in for Yard,Lawn,Outdoor Planter Boxes Rectangle with Drainage Holes Gray
Across the whole catalogue prices currently run from $8.11 to $249.94, with most of the range clustered around the middle of that span. Stock and prices on the product pages are live, so they are the figures to trust rather than anything quoted in an article.
Ordering, delivery and returns
Free US shipping on orders over $99; a flat $9.95 below that. Orders are picked and packed at the New York store on business days, and a tracking number follows by email once the carrier scans the parcel.
If something is not right, there are 30 days from delivery to send it back unused and in its packaging. The full detail is on the Shipping Policy and Returns and Refunds pages, and the FAQ covers the questions that come up most.
How we decide what to stock
Jamali Floral and Garden carries raised beds, grow bags and planters, and the range is deliberately narrower than a warehouse catalogue. A line earns its place by being asked for repeatedly at the counter in New York and by coming back without complaints — not by having the widest margin.
When something stops meeting that bar it comes off the shelf rather than being discounted until it moves. That is why the catalogue on this site changes slowly and why the specification tables on the product pages quote the maker rather than our own marketing.
Quick answers
How much soil does a raised bed take?
It depends on the footprint and height, both of which are on each listing. As a rough guide a seventeen inch tall bed takes far more than people expect — measure the volume before ordering soil.
Do fabric grow bags last more than one season?
The thickened non-woven bags we stock are made to be emptied, folded and reused. The listing states the fabric weight where the maker publishes it.
Related reading
Other notes from the same shelf that pick up where this one stops:
- Fabric grow bags: what they do that pots cannot
- Growing on a roof or a fire escape without losing plants
- Choosing planters that will not kill the plant
Coming to the store
Jamali Floral and Garden is at 149 W 28th St, New York, NY 10001. Opening hours are Mon-Fri 06:00-16:00 | Sat 08:00-16:00 | Sun Closed, and it is worth calling ahead on +1 212-244-4025 if you are travelling specifically for one item, because stock on the shop floor and stock listed online are the same pool.
Anything discussed in this article can be looked at in person before buying. If you would rather order online, the same stock ships from this address — nothing is drop-shipped from a third party warehouse, which is why the despatch address on your parcel matches the shop.
Ask us directly
If this has not answered your question, the counter is open Mon-Fri 06:00-16:00 | Sat 08:00-16:00 | Sun Closed. Call +1 212-244-4025 or use the contact page — a person reads it, and you will get an answer within a business day.