Veronica (Veronica spicata) - blue flowers, illustrated plant cardIllustration

Veronica

Veronica spicata

Veronica blooms from June through August.

Bloom calendar
Bloom time
Jun–Aug
checked
Hardiness
Zones 3–8
checked
Sun
Full sun
checked
Water
Moderate water
checked
Mature size
20 in × 16 in
checked
Type
Perennial
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Veronica

Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 3–8. Expect it to reach about 20 in tall and 16 in wide at maturity, in roughly 2 years (a house reading).

Pets

Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.

No toxicity note is on file for Veronica. That is not a clearance: check its safety for people and pets before planting.

Verification
What was checked

Nine facts were checked against named botanical sources, each recorded beside the sources that carried it: mature height and spread, hardiness zones, sun, water, bloom months and color, the trait tags, and years to mature size, which rests on a recorded house rule where no publisher states one and is marked so. Soil, diseases, pests, toxicity and the plant's own names have not yet been read for this plant, and its trait tags are the ones a feature uses rather than every word a page prints. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.

See the 12 sources it was checked against

When to plant Veronica

Plant Veronica in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 5, the middle of its hardy zones 3 to 8, spring means April to June and fall means August or September. Once settled, it blooms from June to August.

Month-by-month timing for your zone is on the planting calendar; if you garden near zone 5, the middle of this plant's hardy range, start with zone 5 in April. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.

How big does Veronica get?

Illustration of Veronica drawn to scale beside an adult20 intall5 ft 7 inan adult16 inwide
About 20 in tall and 16 in wide at maturity: knee-high beside an adult.

See Veronica in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.

How far apart to plant Veronica

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Space Veronica about 16 in apart, center to center, so each plant has room to reach its full width.

Plant them
16 in apart
Per 10 sq ft
about 6
4 by 8 ft bed
about 18

Add Veronica to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

Where these facts come from

Veronica's height, spread, hardiness zones, sun, water, bloom months and color and trait tags were checked against 12 published sources on October 29, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.

How the checking works, and what each standard covers, is on the verified plants page.

Comes in 10 varieties across 4 colors

Same genus, similar care - pick the color you are growing.

Across the group, bloom runs from May through September: Crater Lake Blue opens first (May) and First Love is the last to finish (September).

Compare every variety in the Veronica group

Every figure is the variety's own page fact. Tap a name to open it.

VarietyColorBloomsHardinessSunSize (H × W)
Crater Lake BlueBlueMay–JunZones 3–8Full sun8 in × 16 in
First LovePinkJun–SepZones 4–8Full sun16 in × 16 in
Giles van HeesPinkJun–AugZones 3–8Full sun8 in × 12 in
IcicleWhiteJun–AugZones 3–8Full sun20 in × 16 in
Pink DamaskPinkJun–AugZones 3–8Full sun2.5 ft × 1.5 ft
PurpleiciousPurpleJun–AugZones 3–8Full sun20 in × 16 in
Red FoxPinkJun–AugZones 3–8Full sun16 in × 12 in
Royal CandlesBlueJun–AugZones 3–8Full sun16 in × 12 in
Snow CandlesWhiteJun–AugZones 4–8Full sun8 in × 12 in
Sunny Border BlueBlueJun–SepZones 3–8Full sun20 in × 16 in
Veronicathis pageBlueJun–AugZones 3–8Full sun20 in × 16 in

Good to know about Veronica

Curated from university extensions, botanic gardens and other primary sources, with the source named on every note. A note reports what its source says; where that differs from a fact above, the fact above is this entry's stored value, and its mark says whether it has been checked.

Worth knowing

After the first flush fades, shear the whole plant hard, down to the low basal rosette. That triggers fresh foliage and a repeat bloom into fall. per NC State and Missouri Botanical Garden

How drought tolerant is it

Sources split: one calls it moderately drought tolerant, others say its shallow roots need steady moisture. The real answer is average water, not the dry-tolerant creeping veronicas. per University of Florida and Missouri Botanical Garden

Wet soil is the killer

The top way to lose it is root rot in soggy ground, worst in cold, wet winter soil. It shrugs off poor, rocky soil far better than wet feet. per NC State and Missouri Botanical Garden

Shade is a double penalty

Shade both thins the bloom and invites powdery and downy mildew. Full sun with airy spacing and watering at the base fixes both at once. per Illinois and Michigan State

Draws bees and butterflies

The dense spikes of tiny florets open in succession over a long summer, giving bees and butterflies steady forage; the genus page adds hummingbirds. per NC State and Missouri Botanical Garden

Deer and rabbit resistant

Deer and rabbits usually leave spike speedwell alone, so it fits an unfenced border where browsing is a problem. per NC State and Wisconsin

What pairs well with Veronica

Good companions share its growing conditions and add something it lacks: an earlier or later bloom, a lower carpet in front, or structure through winter.

  • Castle Rouge Blue Holly

    Castle Rouge Blue Holly

    Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

  • Fireworks Goldenrod

    Fireworks Goldenrod

    Shares full sun and moderate water; blooms in early fall as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

  • Aster

    Aster

    Shares full sun and moderate water; blooms in early fall as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

  • Electric Lights Red Azalea

    Electric Lights Red Azalea

    Takes full sun to part sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

  • Decadence Lemon Meringue False Indigo

    Decadence Lemon Meringue False Indigo

    Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

  • Jade Turtle Cherry Laurel

    Jade Turtle Cherry Laurel

    Shares full sun and moderate water; blooms in late spring, before this one opens; evergreen, so the bed keeps its shape through winter; taller at 3.5 ft, for the layer behind it.

  • Pink Muhly Grass

    Pink Muhly Grass

    Shares full sun and low to moderate water; blooms in early fall as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

  • Switchgrass

    Switchgrass

    Shares full sun and low to moderate water; overlaps, then carries the display into mid fall; its seed heads stand through winter, for structure and the birds; both offer pollinator forage.

All 8 companion pairings for Veronica →

Try Veronica with its top companions in a garden →

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