Remove all packaging straight away. Check the compost and water thoroughly if dry, then place the plants outdoors in a sheltered position or in a greenhouse.
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Agastache
'Kudos Yellow'
giant hyssop
Agastache 'Kudos Yellow' brings a splash of sunshine wherever it grows—an instant mood-lifter for borders, pots, and pollinators alike. Compact and upright, this cheerful perennial produces elegant spires of golden-yellow, two-lipped flowers that gleam from early summer until well into autumn. Each spike is a magnet for bees and butterflies, making Agastache 'Kudos Yellow' as lively as it is lovely. The aromatic green foliage adds a subtle herbal fragrance to the air, especially when brushed on warm afternoons, lending the garden a Mediterranean hint of summer ease.
While its blooms glow like liquid gold, Agastache 'Kudos Yellow' is delightfully unfussy beneath the surface—thriving in sunshine, coping admirably with drought, and shrugging off pests without complaint. It forms a tidy, bushy mound that’s equally at home in a cottage border or a sleek modern planter, blending beautifully with purple salvias, airy grasses, and coral-toned echinaceas. Agastache 'Kudos Yellow' keeps flowering long after others fade, bringing warmth, scent, and soft movement to even the driest corners of the garden. Simply give it well-drained soil and a sunny spot, and this golden yellow giant hyssop will reward you with a glowing display that feels more endless summer than fleeting moment—a quietly brilliant performer with a bright, enduring spirit.
Quantity
Plant profile
Plant calendar
Check each plant’s specifications. Hardy perennials can remain outdoors, while half-hardy and tender varieties should be kept frost-free until the risk of frost has passed.
Plant within a month, preferably sooner. Choose a suitable position, remove weeds and loosen the soil thoroughly, adding compost or well-rotted organic matter where needed.
Gently remove the plant from its pot and plant with the root ball level with the soil surface. Firm gently, water well and add a plant label.
Water regularly until established and whenever the soil feels dry during spring and summer. Feed container-grown plants fortnightly during active growth to encourage healthy flowering.
- Botanical name
- Agastache 'Kudos Yellow'ᴾᴮᴿ (Kudos Series)
- Flower colour
- Yellow
- Established height
- 70cm-1m
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
-
Clump-forming
Upright - Hardiness
- Fully hardy
- Leaf colour
- Green
- Mouse resistant
- Yes
- Plant size
- 1
- Plant spacing
- 6 plants per m2
- Pollinator friendly
- Yes
- Position
-
Sheltered
Exposed - Rabbit resistant
- Yes
- RHS Award (AGM)
- Yes
- Scented
- Yes
- Soil acidity
- Any
- Soil moisture
- Free draining
- Soil type
-
Clay
Multipurpose compost - Suitable for
-
Pots
Large containers
Borders
Gravel gardens
Wildlife gardens
Cottage gardens
Low maintenance gardens - Sunlight
- Full sun
- Toxicity
- No report
- Years to establish
- 1-2 years
Perfect for pots
Pollinator-friendly
Fragrant
Thrives in full sun
RHS Recommended
Perennial
Fully hardy
Packed peat-free
Drought tolerant
Low maintenance
Attracts wildlife
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Expert care from
choice to delivery
Our horticulturalists prepare every bulb and plant with the utmost care. From selection to packing, each one receives expert attention before beginning its journey to your garden.
Better by nature
From cultivation to packaging and delivery, we are always looking for ways to lessen our environmental impact.
Growing together
Our care team of horticultural experts is on hand to support you choose and garden with confidence.
World of wonders
A collection of world-renowned flower bulbs and perennials of exceptional beauty and character.
Chosen to thrive
Every bulb and plant is sourced, selected and prepared with an expert eye for their quality and garden performance.
