
Denseflower Mullein
About Denseflower Mullein
Denseflower Mullein is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.
Denseflower Mullein likes soil that is well draining. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.
Taxonomy
Verbascum densiflorum
Verbascum
Scrophulariaceae
Lamiales
Also known as
Dense-flowered Mullein, dense-flower mullein, denseflowered mullein and mullein

How to care for Denseflower Mullein

How often to water your Denseflower Mullein

every 9
Denseflower Mullein needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
9

Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Denseflower Mullein in your home

a window
Denseflower Mullein love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Denseflower Mullein does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Denseflower Mullein in your home 🏡.

How to fertilize Denseflower Mullein

Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Denseflower Mullein after it doubles in size or once a year—whichever comes first.

Denseflower Mullein prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Denseflower Mullein requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.
Soil
Denseflower Mullein does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
Denseflower Mullein should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Growing Outdoors
USDA Hardiness Zone
Denseflower Mullein can be grown outdoors in USDA Hardiness Zones 4a-8b. Find your local hardiness zone here.
Care Summary for Denseflower Mullein
Denseflower Mullein
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
