Flat-Top Whiteweed
Also known as
Ageratum coelestinum, Ageratum corymbosum albiflorum, Ageratum corymbosum album, Ageratum corymbosum elachycarpum, Ageratum corymbosum euryphyllum, Ageratum corymbosum humboldtii, Ageratum corymbosum jaliscense, Ageratum corymbosum lactiflorum, Ageratum corymbosum latifolium, Ageratum corymbosum longipetiolatum, Ageratum corymbosum regelii, Ageratum corymbosum salicifolium, Ageratum corymbosum subsetiferum, Ageratum corymbusom lactiflorum, Ageratum elachycarpum, Ageratum hudsonii, Ageratum lucidum, Ageratum robinsonianum, Ageratum rugosum, Ageratum salicifolium, Ageratum salicifolium annectens, Alomia robinsoniana, Alomia wendlandii, Caelestina ageratoides, Caelestina ageratoides latifolia, Caelestina azurea, Caelestina caerulea, Caelestina corymbosa, Caelestina lessingiana, Caelestina micrantha, Caelestina sclerophylla, Carelia corymbosa, Carelia salicifolia, Carelia stricta, Coelestina ageratoides, Coelestina sclerophylla, Eupatorium coeruleum, Phalacraea wendlandii and Sparganophorus ageratoides
Taxonomy
Ageratum corymbosum
Ageratum
Asteraceae
Asterales

How to care for Flat-Top Whiteweed

How often to water your Flat-Top Whiteweed

every 9
Flat-Top Whiteweed needs 0.5 cups of water every 9 when it doesnāt 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 Flat-Top Whiteweed in your home

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

How to fertilize Flat-Top Whiteweed

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 itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Flat-Top Whiteweed after it doubles in size or once a yearāwhichever comes first.

Flat-Top Whiteweed 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
Flat-Top Whiteweed requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Soil
Flat-Top Whiteweed 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
Flat-Top Whiteweed 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 itās refreshed yearly, you shouldnāt need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!
Care Summary for Flat-Top Whiteweed
Flat-Top Whiteweed
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
