Water
Keep the soil consistently moist. Water deeply when the top inch of soil feels dry. Avoid waterlogged conditions, though it tolerates wet sites.
Also known as Cress-Leaf Groundsel · Cress-Leaved Groundsel · Cressleaf Groundsel
Packera glabella, commonly known as Butterweed, is a fast-growing annual herb with bright yellow flowers, often found in moist areas and disturbed soils.
At-a-glance light, water, soil, and growing conditions from plant data
Prefers full sun to partial shade.
100% intensity
Can tolerate some shade, but flowers best in sun.
Keep soil consistently moist.
100% intensity
Water when top inch of soil is dry.
Tolerates a wide range of soils but prefers moist, well-drained conditions.
50% intensity
Grows best in moderate temperatures.
100% intensity
Ideal range is 15-25 °C.
Outdoor
50% intensity
Low fertilizer needs.
100% intensity
Fertilize sparingly in spring if soil is poor.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the soil consistently moist. Water deeply when the top inch of soil feels dry. Avoid waterlogged conditions, though it tolerates wet sites.
Deadheading can prevent self-seeding if desired, but pruning is generally not necessary for this annual. Remove spent flower stalks to maintain a tidier appearance.
Self-seeds readily in suitable conditions. Seeds can be collected and sown directly outdoors in fall or early spring. Can also be propagated by division of established clumps.
As an annual, it is not typically repotted. If grown in a container, it will complete its life cycle within one season.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Butterweed (Packera glabella)
Where Butterweed (Packera glabella) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Packera |
| Species | Packera glabella |
Similar in genus Packera
Answers based on plant encyclopedia data
