The Modern Sprout Watering Bulb is a brown, round glass bulb with a pointed end that waters plants for up to 7 days—ideal for self-watering stakes or terracotta plant watering. The Modern Sprout Watering Bulb box displays usage instructions and highlights the benefits of self-watering stakes. The image shows the Watering Bulb in action, gradually releasing water into a potted plant's soil. A green and yellow box labeled "Watering Bulb" by Modern Sprout displays a brown, gourd-shaped bulb and highlights its self-watering stakes design, providing up to 7 days of plant watering. The Modern Sprout Watering Bulb features a ribbed ceramic design with a glossy mustard-yellow top, cork stopper, and matte terracotta pointed base—perfect for watering plants—shown against a white background. A hand with silver rings places a cork into the opening of a round, yellow glazed Modern Sprout Watering Bulb, set in the soil of a potted plant to provide consistent hydration.
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The Modern Sprout Watering Bulb is a brown, round glass bulb with a pointed end that waters plants for up to 7 days—ideal for self-watering stakes or terracotta plant watering.

Modern Sprout Watering Bulb

10 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Self-watering terracotta provides balanced hydration for up to a week.
  • Inspired by ancient irrigation for effortless, consistent watering.
  • Glazed, natural material adds a touch of beauty to your home and garden.
$14.99 $17.99 Save 16%

Watering Bulb $14.99

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

Introducing the most stylish way to keep your plants happy—these 10oz watering bulbs blend decorative charm with functional design. Crafted from glazed terracotta and topped with cork, they draw on ancient irrigation methods to release water slowly as needed, delivering effortless, balanced hydration.

  • Perfect for small to medium plants, both indoors and outdoors. 
  • Waters plants for up to 7 days - perfect for jetsetters, armchair agrarians and more. 
  • Simple to use – just bury the stake, fill and check water level periodically.

Glazed Terracotta

Plant - Dig a 3" deep hole and bury the stake.

Fill - Add water and insert cork topper.

Grow - Check water level periodically. Can water plants up to 7 days.

Grove Values

Gardening tools, tomatoes, soil, two sprouting plants, a gardening fork, cork plant markers, Rosy Soil bag, ARBER plant food, ARBER insecticide, and Root Cut Flower Food on a green background.
3,000+ BANNED INGREDIENTS

For a healthier garden and planet.

From sprays to soil supplements, every product is vetted to meet strict ingredient and material standards —  minimizing concerning chemicals and helping reduce outdoor plastic pollution.

A small potted cactus sits next to a red and yellow bag of Rosy Soil Cactus & Succulent Mix, displayed on a light green circular background.

No unwanted additives

Made without synthetic pesticides, phosphates, or petrochemical surfactants

A green bag of Spade + Fork Organic All Purpose Fertilizer sits upright on a light green circular background, with product details and usage suggestions visible on the packaging.

Vetted for materials that matter

Reviewed for ingredient and material choices that align with Grove’s standards

A green tube labeled Murphys Naturals Mosquito Repellent Incense lies open with incense sticks partially out. Another closed tube stands in the background, all on a light green circular background.

Less plastic, fewer microplastics

Reduced-plastic options and tools that limit outdoor plastic and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog