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Dorchester Center, MA 02124
Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124

Hey garden dreamers! 🌿
Ever find yourself wishing for a natural, no-nonsense fertilizer that actually works—without turning your garden into a chemistry lab? Well, brace yourself, because we’ve got something kind of amazing: mustard cake powder fertilizer. Yeah, sounds humble… but wait till you see what it does.
Made from the leftovers of mustard oil production (don’t worry, that’s a good thing), this earthy little miracle—also known as mustard seed meal or Sarso Khali—packs a punch for your plants. Peppers? Thrilled. Cucumbers? Thriving. Tomatoes? Living their best life.
And get this—it’s not just a nutrient bomb. It’s a soil booster. A pest-fighter. A compost enhancer. Basically, it’s the multi-tool your garden didn’t know it needed.
At Sow Haven, we’re not just fans—we’re obsessed. Let us show you why.
Ah, the golden trio: nitrogen, phosphorus, potassium. That’s your NPK, and mustard cake comes in strong at a 4-1-1 ratio. Sounds technical, sure—but what it means is: your plants get exactly what they need to go from “meh” to magnificent.
If you’re growing veggies, especially the leafy or fruity kind, this stuff is a total game-changer.
Let’s be real—plants don’t want a sugar rush. They want a slow, delicious buffet of nutrients, and that’s exactly what mustard cake delivers. Over time, not all at once. Think of it as a steady IV drip of leafy goodness.
Especially for tomatoes, cucumbers, and their spicy cousin the pepper? Chef’s kiss.
You know the ones—nematodes lurking underground, aphids doing their dance on the stems, fungi throwing an invisible party. Yeah, mustard cake? It shuts all that down. Naturally. No chemicals. No drama.
Toss a bit of this powdery gold into your compost pile and watch it heat up. Literally. The nitrogen fuels microbial action, speeds up decay, and gives you rich, black compost way faster than usual. It’s like rocket fuel… but for rot.
Poor soil = poor plants. But when you mix in mustard cake? It’s like giving the soil a massage, a smoothie, and a spa day all at once. Better structure. Better moisture retention. Less erosion. Happier roots.
Use it before planting. Or sprinkle it as mulch. Heck, do both.
Mix it. Brew it. Sprinkle it. That’s the vibe.
Soil Amendment: Work it into the soil before planting. Easy.
Liquid Fertilizer: Soak a spoonful in water overnight, strain it, and pour it right at the roots.
Mulch: Just dust it around your plants like magic powder. Boom. Protection and nutrition in one move.
Timing is key: Spring or fall? Perfect. That’s when your plants are in go-mode.
Hold off with the babies: Tiny seedlings + strong fertilizer = sad sprouts. Wait till they’re sturdier.
Water it in: Always give the soil a good drink after application to help spread the goodness around.
Look—we’re not here to hype something that doesn’t work. But this? This works.
Mustard cake powder is organic, sustainable, and surprisingly powerful. If you’re tired of harsh chemicals and confused ingredient lists, this is your clean, green, garden-growing dream.
At Sow Haven, we believe nature already knows what it’s doing. We’re just here to help you tap into that. So go on—try it. Sprinkle a little mustard cake magic and watch your peppers, cucumbers, and tomatoes absolutely go off.