Starry Rosinweed

Year-round

Starry rosinweed is a tall, coarse sunflower relative with big yellow daisy flowers and sticky, resinous stems (that resin is where the rosinweed name comes from). It is not on the ASPCA toxic plant list and it is a strong draw for native bees and butterflies.

• Give it full sun, at least 6 hours of direct light a day, for the sturdiest stems and heaviest bloom.
• It sends down a deep taproot, so pick its spot once. It resents being dug up and moved after the first year.
• In heavy black clay, plant it high on a slight mound or work in compost for drainage. In the sandier soils west of the metro it drains fast, so young plants need more frequent water through the first summer.
• Space plants 24 to 36 inches apart. Once established it needs very little supplemental water.
• Expect a rangy, upright plant 2 to 5 feet tall. It is not naturally tidy or compact, so give it room away from tight foundation beds.

Reads as an intentional wildflower planting, not a weed, when it is placed in a defined bed with a clean edge rather than left to sprawl loose at the front of the yard.

Fall

Bloom tapers off through September as the plant shifts into seed production, then the whole plant browns down as North Texas cools toward the first frost in mid November.

• Leave the last flowerheads standing into fall if you want them to dry and go to seed on the plant.
• Goldfinches and other seed-eating birds will work the dried heads, so hold off deadheading everything in early fall if you want to see that.
• Foliage yellows and the stems turn brown and woody as growth slows; this is normal, not a sign of a problem.
• Autumn is the better planting window for woody companions nearby (trees, shrubs), though this forb itself is best started in spring.

Browning foliage and dried seed heads can read as neglect from the street. A trimmed edge around the bed keeps the look intentional while the seed heads finish their job.

Winter

The plant dies back to the ground after the first hard freeze and stays dormant through the mild North Texas winter, with occasional short hard freezes and the rare severe Arctic outbreak.

• After stems have gone fully brown following a hard freeze, cut the whole plant back to 4 to 6 inches above the ground.
• You can also leave the dead stems standing through winter for birds and overwintering insects, then cut back in late February before new growth starts.
• No winter watering is needed. The dormant root system does not need supplemental moisture.
• A 2 to 3 inch mulch layer over the crown helps buffer the rare severe Arctic outbreak, though this species is hardy through the region's normal winter lows.

Cutting the dead stalks back to a low, even 4 to 6 inch clump right after the first hard freeze is the single fastest way to keep a winter-dormant bed looking tended rather than abandoned.

Spring

Spring is new growth and the best time to get a starry rosinweed into the ground in North Texas.

• Plant after the last frost (mid March) so young roots have time to establish before summer heat arrives.
• New basal leaves emerge in March and April. Clear last year's dead stems away from the crown if you did not cut them back over winter.
• Water new plantings twice a week for the first 4 to 6 weeks, then taper off as roots settle in.
• Watch for slug or snail damage on tender new leaves in wet spring weeks, especially in shadier corners of the bed.

Summer

This is bloom season. Large yellow daisy flowerheads, up to 2.5 inches across, open from June into September and keep going through the hottest stretch of the year.

• Once established, this plant needs little to no supplemental water even through 100F afternoons in July and August.
• First-year plants still benefit from a deep soak every 1 to 2 weeks during the hottest weeks if there has been no rain.
• Deadhead spent flowerheads if you want a tidier look and a longer bloom window; skip it if you want seed for goldfinches later in the year.
• Watch for bees and butterflies working the flowers all day. This is one of the plant's main jobs in the yard.

Full, showy yellow bloom through the hardest part of summer reads as a deliberate pollinator planting, especially if paired with a mowed edge or border.

Year-round

Starry rosinweed is a tall, coarse sunflower relative with big yellow daisy flowers and sticky, resinous stems (that resin is where the rosinweed name comes from). It is not on the ASPCA toxic plant list and it is a strong draw for native bees and butterflies.

• Give it full sun, at least 6 hours of direct light a day, for the sturdiest stems and heaviest bloom.
• It sends down a deep taproot, so pick its spot once. It resents being dug up and moved after the first year.
• In heavy black clay, plant it high on a slight mound or work in compost for drainage. In the sandier soils west of the metro it drains fast, so young plants need more frequent water through the first summer.
• Space plants 24 to 36 inches apart. Once established it needs very little supplemental water.
• Expect a rangy, upright plant 2 to 5 feet tall. It is not naturally tidy or compact, so give it room away from tight foundation beds.

Reads as an intentional wildflower planting, not a weed, when it is placed in a defined bed with a clean edge rather than left to sprawl loose at the front of the yard.

Fall

Bloom tapers off through September as the plant shifts into seed production, then the whole plant browns down as North Texas cools toward the first frost in mid November.

• Leave the last flowerheads standing into fall if you want them to dry and go to seed on the plant.
• Goldfinches and other seed-eating birds will work the dried heads, so hold off deadheading everything in early fall if you want to see that.
• Foliage yellows and the stems turn brown and woody as growth slows; this is normal, not a sign of a problem.
• Autumn is the better planting window for woody companions nearby (trees, shrubs), though this forb itself is best started in spring.

Browning foliage and dried seed heads can read as neglect from the street. A trimmed edge around the bed keeps the look intentional while the seed heads finish their job.

Winter

The plant dies back to the ground after the first hard freeze and stays dormant through the mild North Texas winter, with occasional short hard freezes and the rare severe Arctic outbreak.

• After stems have gone fully brown following a hard freeze, cut the whole plant back to 4 to 6 inches above the ground.
• You can also leave the dead stems standing through winter for birds and overwintering insects, then cut back in late February before new growth starts.
• No winter watering is needed. The dormant root system does not need supplemental moisture.
• A 2 to 3 inch mulch layer over the crown helps buffer the rare severe Arctic outbreak, though this species is hardy through the region's normal winter lows.

Cutting the dead stalks back to a low, even 4 to 6 inch clump right after the first hard freeze is the single fastest way to keep a winter-dormant bed looking tended rather than abandoned.

Spring

Spring is new growth and the best time to get a starry rosinweed into the ground in North Texas.

• Plant after the last frost (mid March) so young roots have time to establish before summer heat arrives.
• New basal leaves emerge in March and April. Clear last year's dead stems away from the crown if you did not cut them back over winter.
• Water new plantings twice a week for the first 4 to 6 weeks, then taper off as roots settle in.
• Watch for slug or snail damage on tender new leaves in wet spring weeks, especially in shadier corners of the bed.

Summer

This is bloom season. Large yellow daisy flowerheads, up to 2.5 inches across, open from June into September and keep going through the hottest stretch of the year.

• Once established, this plant needs little to no supplemental water even through 100F afternoons in July and August.
• First-year plants still benefit from a deep soak every 1 to 2 weeks during the hottest weeks if there has been no rain.
• Deadhead spent flowerheads if you want a tidier look and a longer bloom window; skip it if you want seed for goldfinches later in the year.
• Watch for bees and butterflies working the flowers all day. This is one of the plant's main jobs in the yard.

Full, showy yellow bloom through the hardest part of summer reads as a deliberate pollinator planting, especially if paired with a mowed edge or border.