Plant Database / Texas Natives / Texas Bluebonnet
Texas Natives

Texas Bluebonnet

Lupinus texensis
Fabaceae (Legume)

The state flower. Sow seed in fall, let it overwinter, and watch the spring fields turn blue.

Texas nativeFull sunPollinatorFixes nitrogen
Texas Bluebonnet (Lupinus texensis) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
Low
Soil
Lean, alkaline, well-drained
pH
6.8–7.5
Hardiness
Native winter annual
Height
12–18 in
Spacing
Broadcast
Days to harvest
Fall sow, spring bloom

What it is

Texas Bluebonnet (Lupinus texensis) is in the Fabaceae (Legume) family. The state flower. Sow seed in fall, let it overwinter, and watch the spring fields turn blue.

How to grow it

It wants full sun, water it low, and give it lean, alkaline, well-drained soil. Target a soil pH around 6.8–7.5. Space plants about Broadcast apart. Expect roughly Fall sow, spring bloom. Native winter annual.

How it's used

Texas Bluebonnet is used: ornamental; nitrogen-fixer.

🔎 How to identify it

  • Palmate leaves (five+ leaflets)
  • Blue flower spikes, white tip
  • Fuzzy seed pods

Not for eating

Grown for the garden, soil, or pollinators — not as food.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.