# Sea Urchin Hakea (Hakea petiolaris)

Australian native seed packet from Native Seed Co.

- Price: A$14.00 per 1 packet, AUD incl. GST
- Availability: in stock
- Shop page: https://www.nativeseedco.org/product/619
- SKU: NSC-619
- Packet contents: approx. 5 seeds

Unique spiky native shrub with red and cream flowers resembling sea urchins.

Sea Urchin Hakea (Hakea petiolaris) is a distinctive Australian native shrub known for its unique spiky appearance that resembles sea urchins. This hardy plant is native to Western Australia and thrives in coastal conditions. Growing as a medium to large shrub, Sea Urchin Hakea typically reaches 2-3 meters in height and width.

## Growing specifications

- Origin: Granite hills of the Darling Range, Western Australia
- Form: large shrub (long-lived perennial); height 2–3 m
- Sun: full sun
- Soil: sandy, gravel, loam
- Drought tolerance: high
- Frost: light frost only
- Coastal / salt tolerant: yes
- Suited climates: mediterranean, temperate
- Flowering season: autumn, winter
- Sowing season: autumn, spring
- Germination: 28–56 days
- Seed pre-treatment: none
- Attracts: honeyeaters, birds
- Garden uses: feature shrub, screen, winter colour, cut foliage
- Notes: Slow to germinate but tough once away. Sea-urchin flowers appear on old wood through the cooler months.

## Highlights

- Unique spiky foliage resembling sea urchins
- Striking red and cream flowers
- Excellent drought tolerance once established
- Perfect for coastal and Mediterranean gardens

## How to sow

1. Sow seeds in autumn or spring for optimal germination.
2. Use a well-draining seed-raising mix with added sand.
3. Lightly cover seeds with fine sand or vermiculite.
4. Keep moist but not waterlogged until germination (28-56 days).
5. Transplant seedlings when they have developed strong root systems.
6. Plant in a sunny position with excellent drainage.

## Care

- Water regularly during establishment, then reduce to occasional deep watering.
- Mulch lightly around the base, keeping mulch away from the stem.
- Use low-phosphorus native plant fertilizer sparingly if needed.
- Prune lightly after flowering to maintain shape and density.
- Excellent tolerance to drought, salt spray, and coastal winds.

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