Coastalplain Honeycombhead

Herbaceous

Coastalplain Honeycombhead

Balduina angustifolia

Also known as: Honeycombhead

Herbaceous Asteraceae PollinatorOrnamentalWildlife AttractorErosion ControlBorder Plant
Hardiness Zone
7-11
Ideal Temp
65–90°F
Survives Down To
15°F
Life Cycle
Perennial

Coastalplain honeycombhead (Balduina angustifolia) is a perennial sunflower relative of sandy pine savannas and coastal plain scrub, forming a basal rosette of narrow leaves and sending up 1–3 foot (0.3–0.9 m) stems topped with yellow composite heads in late summer to fall. The disk looks honeycombed up close—nature’s answer to overdesigned garden art. In restoration and native gardens on well-drained, low-nutrient sand it supports late-season pollinators when many early forbs have clocked out. ☀️💧 Sun and Water Requirements: Full sun for strong stems; shade causes flop. Tolerates droughty sand once established; still benefits from occasional deep watering during prolonged dry spells in container trials. Avoid heavy clay and chronic irrigation that feeds competing weeds. ✂️ Propagation: Sow seed after cold stratification or fall-sow outdoors; germination improves with warmth and light. Divide mature rosettes in early spring before bolting. Avoid rich compost topdressing that shifts competitive balance toward generic weeds. 🌾 Harvest / Best Use Timing: Leave flowers for pollinators; collect dry seed heads when brown for restoration mixes. Cut spent stalks in late winter if tidy aesthetics matter—otherwise leave stems for stem-nesting insects.

Good Neighbors
  • Little Bluestem — warm-season grass matches sandy, low-fertility culture and adds vertical texture
  • Pale Purple Coneflower — earlier forb partner extends pollinator support across the season
  • Wild Bergamot — aromatic mint relative shares sun and draws insects during overlapping bloom windows
Cautions
  • Rich, irrigated loam — invites weed smothering unless you edit competitors aggressively
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Banded Winged Whitefly
Trialeurodes abutiloneus
Greenhouse Whitefly
Trialeurodes vaporariorum
Japanese Beetles
Popillia japonica
Lettuce Aphid
Nasonovia ribisnigri
Lubber Grasshopper
Romalea microptera
Powdery Mildew
Erysiphales
Root Aphid
Pemphigus spp.