Barbara's Buttons
Marshallia caespitosa
Last reviewed: August 2026
Marshallia caespitosa, or Barbara's Buttons, produces white to pale pink button-like blooms from March through May and thrives in full sun with low water, doing well in dry prairies and rocky glades across the south-central plains.

Toxicity unknown
Barbara's Buttons (Marshallia caespitosa) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
9"–18" H × 60"–12" W
Bloom
Mar, Apr, May
Native to
AR, KS, LA, MO and 2 more states
Pollinators
butterflies, bees
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Barbara's Buttons produces cheerful white, button-like flowers on compact mounds of foliage during spring months. This drought-tolerant perennial forms neat clumps that work well in sunny garden beds and requires minimal water once established.
Growing Barbara's Buttons
Grow Barbara's Buttons in full sun and low water. Mature plants reach 9 to 18 inches tall and spread 60 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
How to care for Barbara's Buttons, by region
How to care for Barbara's Buttons where it is actually grown: year-round basics plus what to do each season, region by region, with the sources for each.
Care guidance last updated: September 2026
Cross Timbers (includes Fort Worth, TX)
Year-round
Barbara's Buttons is a low, tidy Texas native forb that stays under two feet tall and forms neat clumps of fragrant, ball-shaped white to pink flower heads on thin stalks. It is native to this part of North Texas and asks for very little once it is settled in, just full sun and soil that does not stay soggy.
- Give it full sun, at least 6 hours a day, for the best bloom and a compact, upright habit.
- In heavy black clay, plant it high on a slight mound or work in coarse sand and compost so water drains away from the crown; in the sandier soils west of the metro it drains fine on its own and just needs regular water the first summer.
- Space plants 10 to 12 inches apart since each clump stays narrow, usually under a foot wide.
- Skip fertilizer. This plant evolved on lean, rocky or sandy ground and rich soil tends to make it floppy.
- Deadhead spent flower balls through the bloom season to keep the clump looking neat and to encourage more flowers.
A tidy, low clump with rounded white flower heads reads as a deliberate perennial border plant, not a wildflower patch, which is the look HOA-conscious homeowners want up front.
Fall
Fall is a resting period for Barbara's Buttons. The rosette of leaves stays low and green while the plant builds roots ahead of winter, and it is a fine second window for getting new plants established before the hard freezes.
- New plants can still go in through October if you keep up regular water through the first month, though spring remains the better window for this particular forb.
- Trim away any leftover dried stalks or tattered foliage from summer to clean up the clump before winter.
- Ease off supplemental water as temperatures drop and rainfall picks up through the season.
- In heavy black clay, check that the crown is not sitting in standing water after fall rains, since the plant does not tolerate wet feet.
A neat, low green rosette through fall keeps the bed looking maintained heading into winter rather than leaving a bare gap in the border.
Winter
Barbara's Buttons is dormant through winter, holding as a low rosette of leaves close to the ground. North Texas winters are mild with short hard freezes and occasional severe Arctic outbreaks, and this plant handles both without protection.
- Leave the low leaf rosette in place through winter, it does not need to be cut back or covered.
- Skip watering during normal winter weather; only water if the ground goes several weeks without rain during a dry, mild stretch.
- No mulch or wrapping is needed even during a hard freeze or Arctic outbreak, this plant is winter hardy in this region.
- Hold off on any new plantings until the ground begins to warm in late February or March.
Spring
Spring is when Barbara's Buttons puts on its show, sending up leafless stalks topped with round, fragrant flower heads from March into May. It is also the best time of year to plant it in North Texas.
- Plant new nursery starts anytime from March through April so roots establish before the July heat arrives.
- Water a new planting deeply twice a week for the first month, then taper off as it roots in.
- Watch for the flower stalks to rise 9 to 18 inches above the leaf rosette starting in March, blooming white to pale pink or purple through May.
- In the sandier soils west of the metro, check soil moisture with a finger test before watering again since it dries faster than the heavier clay to the east.
- Leave the low rosette of narrow leaves at the base alone, that is normal growth, not a problem.
The rounded flower heads on slender stalks look like a curated perennial bed in bloom, a strong front-yard visual during the spring window neighbors notice most.
Summer
By summer the flower show is over and the plant pulls back to its low rosette of leaves. This is the hard season in North Texas, and a plant that just went in this spring is at the most risk of dying from heat and drought stress.
- Cut back any dried flower stalks once blooming finishes, usually by June, to tidy the clump for the rest of the season.
- Water once a week during 100F-plus stretches with no rain if the plant went in this spring; established clumps two or more years old rarely need summer water at all.
- In the sandier soils west of the metro, water slightly more often through July and August since that soil holds less moisture than the heavier clay to the east.
- Do not fertilize or heavily mulch against the crown. This plant wants lean, well-drained conditions even in the heat.
- Expect the plant to look modest and low through summer, that is normal dormancy behavior, not decline.
A quiet, low green clump in summer reads as intentional, drought-adapted planting rather than a bare or dead-looking spot, as long as dried stalks are cut back.
Sources: Lady Bird Johnson Wildflower Center - Marshallia caespitosa, Missouri Botanical Garden Plant Finder - Marshallia caespitosa
Ouachita Mountains (includes Hot Springs, AR)
Year-round
Barbara's Buttons is a low, clumping native prairie and glade wildflower well suited to the sandy, rocky, well-drained soils typical of the Hot Springs and Ouachita Mountains area.
- Give it full sun to part shade. More sun generally means a fuller bloom.
- Plant in well-drained soil. Sandy, rocky, or limestone-based ground matches the glades and open woods it grows in naturally across Arkansas.
- Water new plants regularly through the first season to help roots establish, then taper off. Once settled, it handles the region's dry summer stretches on its own.
- It stays compact, a rosette of narrow leaves under slender flower stalks 8 to 20 inches tall, so it will not sprawl or crowd a bed.
- The white to pink fragrant flower balls open in spring and are a draw for bees and butterflies.
Its tidy, low clumping form and predictable spring bloom make it a HOA-friendly pick for a front border or mailbox planting.
Fall
Fall in the Hot Springs area is a good window to plant or divide Barbara's Buttons, well ahead of the first freeze that typically arrives in early to mid November.
- Early to mid fall, before the ground cools too much, is a good window for planting or dividing established clumps.
- The basal rosette of narrow leaves stays put through fall. There is no need to cut it back.
- Skip fall fertilizer. New growth pushed late in the season is more exposed when a freeze arrives.
- If you want to collect seed, let a few spent flower heads dry on the plant before the season's first freeze.
Winter
Winters in the Hot Springs area, zone 8a, are mild enough that Barbara's Buttons needs no special protection. The plant simply holds its low rosette through the cold months.
- This plant is hardy through the typical winter lows in the Hot Springs area. No mulching or covering is needed for cold protection.
- The leaf rosette may look a little rough by late winter. That is normal, and it fills back in with new spring growth.
- Avoid winter watering unless the season is unusually dry. Wet, cold soil is more likely to cause root problems than the cold itself.
- Winter is a fine time to plan bed placement for spring planting, since the plant's low, compact habit reads clearly once neighboring perennials die back.
Spring
Spring is the main growing and bloom window for Barbara's Buttons in the Hot Springs area, starting once the last frost clears around late March.
- Hold off on dividing or transplanting until after the average last frost, typically late March in the Hot Springs area.
- Flower buds form on leafless stalks and open from April into June, the plant's main bloom stretch.
- Water newly planted or divided clumps regularly while they root in. Established plants need only occasional watering even in a dry spring.
- Skip heavy fertilizer. This is a lean-soil prairie and glade native, and rich feeding tends to cause floppy growth rather than a fuller bloom.
Summer
By summer, Barbara's Buttons in the Hot Springs area is past its main bloom and settling into the region's hot, often dry stretch.
- Flowering typically wraps up by early summer. Once blooms fade, deadheading is optional, it tidies the look but is not required for the plant's health.
- This is a low-water plant once established. In a typical Hot Springs summer, established clumps rarely need supplemental watering beyond a long dry spell.
- Good drainage matters more than water in summer. Heavy clay that stays wet is more likely to cause trouble than the heat itself.
- Leave the foliage rosette in place. It stays low and green through summer even after the flower stalks are done.
Sources: Lady Bird Johnson Wildflower Center - Marshallia caespitosa (Barbara's-buttons)
Texas Blackland Prairies (includes Dallas, TX)
Year-round
Barbara's Buttons is a low, tidy Texas native forb that stays under two feet tall and forms neat clumps of fragrant, ball-shaped white to pink flower heads on thin stalks. It is native to this part of North Texas and asks for very little once it is settled in, just full sun and soil that does not stay soggy.
- Give it full sun, at least 6 hours a day, for the best bloom and a compact, upright habit.
- In heavy black clay, plant it high on a slight mound or work in coarse sand and compost so water drains away from the crown; in the sandier soils west of the metro it drains fine on its own and just needs regular water the first summer.
- Space plants 10 to 12 inches apart since each clump stays narrow, usually under a foot wide.
- Skip fertilizer. This plant evolved on lean, rocky or sandy ground and rich soil tends to make it floppy.
- Deadhead spent flower balls through the bloom season to keep the clump looking neat and to encourage more flowers.
A tidy, low clump with rounded white flower heads reads as a deliberate perennial border plant, not a wildflower patch, which is the look HOA-conscious homeowners want up front.
Fall
Fall is a resting period for Barbara's Buttons. The rosette of leaves stays low and green while the plant builds roots ahead of winter, and it is a fine second window for getting new plants established before the hard freezes.
- New plants can still go in through October if you keep up regular water through the first month, though spring remains the better window for this particular forb.
- Trim away any leftover dried stalks or tattered foliage from summer to clean up the clump before winter.
- Ease off supplemental water as temperatures drop and rainfall picks up through the season.
- In heavy black clay, check that the crown is not sitting in standing water after fall rains, since the plant does not tolerate wet feet.
A neat, low green rosette through fall keeps the bed looking maintained heading into winter rather than leaving a bare gap in the border.
Winter
Barbara's Buttons is dormant through winter, holding as a low rosette of leaves close to the ground. North Texas winters are mild with short hard freezes and occasional severe Arctic outbreaks, and this plant handles both without protection.
- Leave the low leaf rosette in place through winter, it does not need to be cut back or covered.
- Skip watering during normal winter weather; only water if the ground goes several weeks without rain during a dry, mild stretch.
- No mulch or wrapping is needed even during a hard freeze or Arctic outbreak, this plant is winter hardy in this region.
- Hold off on any new plantings until the ground begins to warm in late February or March.
Spring
Spring is when Barbara's Buttons puts on its show, sending up leafless stalks topped with round, fragrant flower heads from March into May. It is also the best time of year to plant it in North Texas.
- Plant new nursery starts anytime from March through April so roots establish before the July heat arrives.
- Water a new planting deeply twice a week for the first month, then taper off as it roots in.
- Watch for the flower stalks to rise 9 to 18 inches above the leaf rosette starting in March, blooming white to pale pink or purple through May.
- In the sandier soils west of the metro, check soil moisture with a finger test before watering again since it dries faster than the heavier clay to the east.
- Leave the low rosette of narrow leaves at the base alone, that is normal growth, not a problem.
The rounded flower heads on slender stalks look like a curated perennial bed in bloom, a strong front-yard visual during the spring window neighbors notice most.
Summer
By summer the flower show is over and the plant pulls back to its low rosette of leaves. This is the hard season in North Texas, and a plant that just went in this spring is at the most risk of dying from heat and drought stress.
- Cut back any dried flower stalks once blooming finishes, usually by June, to tidy the clump for the rest of the season.
- Water once a week during 100F-plus stretches with no rain if the plant went in this spring; established clumps two or more years old rarely need summer water at all.
- In the sandier soils west of the metro, water slightly more often through July and August since that soil holds less moisture than the heavier clay to the east.
- Do not fertilize or heavily mulch against the crown. This plant wants lean, well-drained conditions even in the heat.
- Expect the plant to look modest and low through summer, that is normal dormancy behavior, not decline.
A quiet, low green clump in summer reads as intentional, drought-adapted planting rather than a bare or dead-looking spot, as long as dried stalks are cut back.
Sources: Lady Bird Johnson Wildflower Center - Marshallia caespitosa, Missouri Botanical Garden Plant Finder - Marshallia caespitosa
Want these tasks as reminders timed to your yard? Pollinator Patch turns this guidance into a season-by-season care plan for the plants you actually grow.
In an HOA neighborhood
Barbara's Buttons is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The distinctive white blooms attract butterflies and native bees during the spring flowering period. This native Texas wildflower provides important early-season nectar when few other plants are blooming.
Common questions
- When does Barbara's Buttons bloom?
- Marshallia caespitosa typically flowers from March through May, with rounded white to pale pink blooms held above narrow basal leaves.
- What kind of light and water does Barbara's Buttons need?
- This forb performs best in full sun to part sun and prefers low to medium water once established, making it suited to well-drained, dry sites.
- What pollinators visit Barbara's Buttons?
- Butterflies and bees are the most common visitors, drawn to the flat-topped clusters of small disc flowers during spring bloom.
- Is Barbara's Buttons a good choice for a prairie or rock garden?
- Yes, its low water needs and tolerance for full sun make it a good fit for prairie plantings, rocky glades, and other dry, sunny garden beds.
- Does Barbara's Buttons stay green year round?
- No, this is a deciduous forb that dies back after its spring bloom and regrows from its base the following season.
- Is Barbara's Buttons HOA-friendly?
- Barbara's Buttons is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
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