Here is what Spanish Needles needs to thrive.

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Spanish Needles

Bidens alba

Zones 8–13

Stats
Sunfull sun
Waterlow
Grow time—
Height3–6ft
Spacing>24in
Light
Full sun✓
Part shade✓
Shade✗
Traits
Life cycleannual
Categorywildflower
Growth habitupright
Frost tolerancetender
Height3–6ft
Spacingover 24in
Days to bloomunder 45
Native us✗
Growing
Waterlow
Drainagewell drained
Soil ph min—
Soil ph max—
Propagation
Seed✓
Cutting✓
Division✗
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Spreadself seeds
Deer resistant✓
Drought tolerant✓
Toxic to
People✓
Pets—
Livestock—
Bloom
Lengthover 12wk
Colors
White✓
Yellow✓
Orange✗
Red✗
Pink✗
Purple✗
Blue✗
Green✗
Pollinators
Visitors
Honey bees✓
Native bees✓
Bumblebees✓
Butterflies✓
Moths—
Hummingbirds—
Beneficial insects—
Nectarmedium
Pollenmedium
Larval host—
Specialist bees—
Seed for birds—
Invasive
Statusnone
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✓
Calendar, zone 7
Not suited to zone 7. Grows in zones 8–13.