1 5

Yellow Densiflorum Flower Seeds for Garden Planting

Yellow Densiflorum Flower Seeds for Garden Planting

$16.39 USD
$16.39 USD
Sale Sold out

How to Sow and Plant

Sow seeds on the soil surface in early spring or late autumn.

Press seeds lightly into moist, well‑drained soil — do not bury deeply, as small seeds need light to germinate.

Keep the soil moist but not waterlogged.

Germination can occur within two to four weeks under ideal conditions.

Harden off seedlings before transplanting outdoors.

How to Grow

Grow in full sun to partial shade with well‑drained soil.

Water moderately during establishment and reduce watering once established; plants tolerate dry soils.

Mulch lightly to suppress weeds but avoid excessive moisture.

Support tall stems if needed to prevent flopping in windy conditions.

Remove spent blooms to tidy plants.

Tips

Full sun produces the brightest flower colour

Plant in well‑drained soil to avoid root rot

Attracts pollinators such as bees and butterflies

Sow seeds where they will remain undisturbed for best germination

View full details
About
Product Information
Features
life-cycle

Life Cycle

Biennial

plant-characteristics

Plant Characteristics

Tall plant

growth-habit

Growth Habit

Erect

bloom-season

Bloom Season

Mid summer to late summer

flavour-profile

Flavour Profile

N/A

suitable-for

Suitable for

Outdoor

About
Yellow Densiflorum Flower Seeds for Garden Planting
seed-type

Seed Type

Open‑pollinated

plant-type

Plant Type

Flowering

Yellow densiflorum (likely Verbascum densiflorum) is a classic garden favourite with tall stems of bright yellow blossoms that create eye‑catching vertical colour in borders and meadow planting. It’s appreciated for attracting pollinators like bees and butterflies and thrives in sunny, well‑drained conditions with minimal maintenance. Suitable for cottage gardens, wildflower areas, and naturalized plantings, this plant adds bold colour and structure to outdoor landscapes.

Planting information
planting-season

Planting Season

Early Spring / Autumn

fruit-size

Fruit Size

N/A

plant-height

Plant Height

Tall

light-requirement

Light Requirement

Full Sun

water-needs

Water Needs

Moderate

hardiness-zones

Hardiness Zones

Cool to Mild

container-garden

Container Garden

Yes

plant-spacing

Plant Spacing

Moderate

planting-depth

Planting Depth

Surface

growing-conditions

Growing Conditions

Well‑Drained Soil

Coverage
Seed Count
Recommended Coverage
SEED COUNT
100
GTIN
036000136883

Frequently Asked Questions

The product description says "likely Verbascum densiflorum" — what does that mean for identity?

That phrasing suggests some uncertainty in the exact species, so buyers should treat the plant as a probable mullein variety rather than a confirmed, precisely identified cultivar.

Since it's listed as biennial, will it bloom in its first year?

No, biennials typically form a low leafy rosette in year one and only send up the tall flowering stalk in their second year.

Does this plant self-seed and spread on its own?

Yes, mulleins are known for prolific self-seeding and can naturalize readily, so unwanted spread into nearby areas is worth monitoring.

How is this different from the common wild mullein seen along roadsides?

Cultivated denseflower mullein is closely related to common mullein (Verbascum thapsus) but can differ in flower density and plant form; the two are easily confused at a glance.

Will these tall stems need staking?

Given their height and the tip to "support tall stems," staking is recommended, especially in windy or exposed garden spots.

What pollinators are drawn to this plant?

Bees and butterflies are specifically noted as visitors, attracted to its dense clusters of small yellow flowers