Wild Bergamot
Monarda fistulosa
Unfazed by drought once its roots are down — right at home in dry rocky ground where most perennials struggle; it stands 2–4 ft tall and blooms Jun through Aug.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms Jun–Aug
Deep-rooted native plants that shrug off heat and dry spells and rarely need watering once they are established. Montana sits in a landscape of Northern Rockies & Great Plains steppe, and the natives that thrive here are the ones built for its cold, semi-arid character. The list below — led by Wild Bergamot and Showy Goldenrod — is filtered to species genuinely native to Montana and the wider flora of the Mountain West and hardy through zones 3–5. Drought-tough natives earn their reputation with deep roots, so the secret is patience: water them through the first season while those roots reach down, then taper off and let them fend for themselves. Plant in fall or early spring, give them sharp drainage and full sun, and resist the urge to coddle — overwatering kills more of these than any heat wave.
Each one native to your region and hardy in zones 3–5 · see this collection in other states.
Monarda fistulosa
Unfazed by drought once its roots are down — right at home in dry rocky ground where most perennials struggle; it stands 2–4 ft tall and blooms Jun through Aug.
Solidago speciosa
Deep-rooted and dry-adapted — thriving in the lean, fast-draining sand and rocky soil that defeats thirstier plants, reaching 2–4 ft tall and it flowers in Sep and Oct.
Agastache foeniculum
Unfazed by drought once its roots are down — right at home in dry sand and rocky ground where most perennials struggle, reaching 2–4 ft tall and it blooms Jun through Sep.
Penstemon strictus
A water-wise pick for xeriscapes — rooting into sharp-drained sand and rocky soil and shrugging off dry spells — 1.5–2.5 ft tall, and blooms May through Jul.
Penstemon digitalis
Unfazed by drought once its roots are down — right at home in dry rocky ground where most perennials struggle; it stands 2–4 ft tall and flowers in May and Jun.
Fallugia paradoxa
A water-wise pick for xeriscapes — rooting into sharp-drained sand and rocky soil and shrugging off dry spells — 3–6 ft tall, and blooms Apr through Sep.
Geum triflorum
Deep-rooted and dry-adapted — happiest in poor, gritty sand and rocky soil where richer plants rot; it stands 6–16 in tall and flowers in Apr and May.
Rudbeckia hirta
A water-wise pick for xeriscapes — right at home in dry sand ground where most perennials struggle; it stands 1.5–3 ft tall and blooms Jun through Sep.
Gaillardia aristata
Deep-rooted and dry-adapted — happiest in poor, gritty sand and rocky soil where richer plants rot; it stands 1–2.5 ft tall and blooms Jun through Sep.
Liatris pycnostachya
Unfazed by drought once its roots are down — thriving in the lean, fast-draining rocky soil that defeats thirstier plants; it stands 3–5 ft tall and flowers in Jul and Aug.
Ribes sanguineum
A water-wise pick for xeriscapes — rooting into sharp-drained rocky soil and shrugging off dry spells; it stands 5–9 ft tall and flowers in Mar and Apr.
Echinacea purpurea
Unfazed by drought once its roots are down — rooting into sharp-drained rocky soil and shrugging off dry spells, reaching 2–4 ft tall and it blooms Jun through Sep.
Pulsatilla patens
Unfazed by drought once its roots are down — thriving in the lean, fast-draining sand and rocky soil that defeats thirstier plants, reaching 6–12 in tall and it flowers in Mar and Apr.
Penstemon eatonii
Built for heat and dry spells — rooting into sharp-drained sand and rocky soil and shrugging off dry spells, reaching 1.5–3 ft tall and it blooms Mar through May.
Achillea millefolium
Built for heat and dry spells — happiest in poor, gritty sand and rocky soil where richer plants rot — 1.5–3 ft tall, and blooms May through Aug.
Asclepias tuberosa
Drought-tough once established — happiest in poor, gritty sand and rocky soil where richer plants rot — 1.5–2.5 ft tall, and blooms Jun through Aug.
Coreopsis lanceolata
Unfazed by drought once its roots are down — thriving in the lean, fast-draining sand and rocky soil that defeats thirstier plants — 1.5–2 ft tall, and blooms May through Jul.
Berlandiera lyrata
Built for heat and dry spells — right at home in dry sand and rocky ground where most perennials struggle; it stands 1–2 ft tall and blooms May through Sep.
Symphyotrichum oblongifolium
A water-wise pick for xeriscapes — rooting into sharp-drained sand and rocky soil and shrugging off dry spells; it stands 1.5–2.5 ft tall and blooms Sep through Nov.
Helianthus maximiliani
Built for heat and dry spells — rooting into sharp-drained sand soil and shrugging off dry spells, reaching 5–8 ft tall and it blooms Aug through Oct.
Solidago rigida
Drought-tough once established — rooting into sharp-drained rocky soil and shrugging off dry spells; it stands 3–5 ft tall and blooms Aug through Oct.
Bouteloua curtipendula
Built for heat and dry spells — thriving in the lean, fast-draining sand and rocky soil that defeats thirstier plants, reaching 1.5–2.5 ft tall and it flowers in Jun and Jul.
Bouteloua gracilis
Unfazed by drought once its roots are down — rooting into sharp-drained sand and rocky soil and shrugging off dry spells; it stands 8–20 in tall and blooms Jun through Aug.
Physocarpus opulifolius
A water-wise pick for xeriscapes — right at home in dry rocky ground where most perennials struggle, reaching 5–10 ft tall and it flowers in May and Jun.
15 more also qualify: Oregon Grape, Showy Milkweed, Purple Prairie Clover, Rattlesnake Master, Common Milkweed, Compass Plant, Bearberry, Fragrant Sumac, Virginia Creeper, New Jersey Tea, Big Bluestem, Switchgrass, Indian Grass, Prairie Dropseed, Little Bluestem.
Seed packets, plugs, and starter plants for many of these species ship to your door.
Browse on AmazonSome links here are affiliate links — we may earn a small commission at no extra cost to you. The surest source of locally-adapted stock is a native-plant nursery or a native plant society sale in your area.