Product description
Eryngium Grumpy, commonly known as Sea Holly, is an outdoor plant which is excellent for adding architectural structure to gardens. Spiny, grey-green leaves grow on tall stems, topped with thistle-like flowerheads in shades of silvery-blue.
These sea holly plants are tolerant of most soil types and can even thrive in poor, dry soils as long as they are planted in a sunny position. They are fabulous for adding structure as bedding plants or borders plants but would look equally as striking in a patio plant pot. They also make beautiful cut flowers and can even be dried to use in bouquets in the winter months.
Please Note: Images are for illustrative purposes only and designed to be a representation of the item(s) being sold. Depending on seasonality, deciduous plants may be supplied in their dormant state and without leaves. Plants may also be pruned back, lower than stated heights, to encourage new growth.
Garden Plant Size Guide
Plants in larger pots can be multiple years older than their smaller counterparts with more mature root systems and foliage. This makes them able to thrive as a full size plant in your garden quicker than smaller alternatives.
The most common size of pot that garden plants come in are 9cm/1L/3L/5L this is in reference to the diameter at the top of the pot.
9cm potted plants still remain the most popular cost effective option though, they just may take a little patience to allow them to grow into full maturity once planted in your garden.
Plant specs, care guide & tips
Key features
Specifications
When to plant
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Planting and period of interest times are general guidelines and may vary based on your location and conditions. For best results, consult local gardening resources.
Instructions
Top Tip
Eryngium prefers poor, well-draining soil and minimal fertilization for best growth and blooms. Deadhead to encourage prolonged flowering.
How to Water
Water sparingly once established, as Eryngium thrives in dry conditions. Avoid waterlogging by allowing the soil to dry out between waterings. Young plants need regular watering until roots develop.
How to Plant
Plant Eryngium in well-draining, sandy soil with full sun exposure. Dig a hole slightly larger than the root ball, place the plant, and backfill firmly. Avoid overly rich soil, as it may reduce flowering. Space plants to ensure good airflow.