Asparagus Pea
$4.49
Tetragonolobus Purpureus
- Seed Count 7
- Edible And Ornamental
- Annual
- Height 30 cm
In stock
Description
The asparagus pea is one of the prettiest vegetables on the planet. It is a scrambling plant native to the Mediterranean region of southern Europe, where it is a common spring-blooming wildflower. Growing around 30 cm tall and 60cm wide, the plant has small trifoliate leaves, and deep crimson flowers.
Its nutty, asparagus-flavoured pods are extremely popular in the Mediterranean and an expensive delicacy in Australia. This delicious, ornamental plant is so easy to grow and cook – try it sautéed, steamed, stir-fried, battered and deep-fried, or pickled and the scarlet flowers are a beautiful garnish.
Harvest pods when approximately 2.5cm long. Asparagus pea is easy to cultivate. It needs average moisture, full sun, and ordinary soil. It needs a long growing season to flower and fruit properly, so start it indoors in cooler areas.
Method: Sow direct | Soil Temp: 15°C - 20°C |
Cool Mountain: Oct - Dec | Position: Full sun |
Arid: Aug - Mar | Row Spacing: 25cm apart |
Temperate: Sep - Jan | Planting Depth: 1 cm |
Sub Tropical: Aug - Mar | Harvest: 80 Days |
Tropical: Mar - Jun | Plant Height: 60cm |
Site Selection & Soil Preparation
Sunlight:
- Full sun (4–6 hours daily).
Soil:
- Well=drained, deep, sandy loam
- Soil pH 6.5–7.0.
Preparation:
- Remove weeds and rocks.
- Amend with 10 cm of compost/aged manure.
- Till soil to 30 cm inches depth for root penetration.
- Ensure good drainage to prevent root rot.
Starting Seeds Indoors
Timing:
- Start 12–14 weeks before last frost.
Seed Prep:
- Soak seeds in water for 24 hours to boost germination.
Planting:
- Sow 1cm deep in seed trays with potting mix.
- Space seeds 10 cm apart.
Germination temp:
- 16–30°C; takes 2–8 weeks.
Care:
- Keep soil moist.
- Provide bright light (grow lights if needed).
Transplanting Seedlings
Hardening Off:
- Acclimate seedlings outdoors over 7–10 days.
Spacing:
- Rows: 1 m apart.
- Plants: 40 cm apart.
Ongoing Care
Watering:
- 5 cm weekly; avoid waterlogging.
Mulching:
- Apply 10 cm of straw/compost to retain moisture and suppress weeds.
Fertilising:
- Year 1: Balanced fertilizer at transplanting.
- Annually: Top dress with compost in spring and autumn.
Weeding:
- Hand weed carefully to avoid root disturbance.
Pest & Disease Management
Common Pests:
- Asparagus Beetles. Handpick or use neem oil.
- Caterpillars. Collar seedlings with cardboard.
Diseases:
- Rust. Ensure airflow and remove infected foliage.
- Prevention. Rotate crops every 10+ years; avoid overhead watering.
Harvesting
Timing:
- Year 1–2: No harvest; let plants establish.
- Year 3: Harvest spears for 6–8 weeks in spring.
Method:
- Cut 20 cm spears at soil level with a knife.
Post Harvest:
- Allow ferns to grow; they replenish roots for next year.
Companion Planting Guide
Good Companions:
- Basil & Parsley: Attract beneficial insects; deter pests.
- Tomatoes: Repel asparagus beetles (1m apart to avoid competition).
- Marigolds & Nasturtiums: Deter nematodes and beetles.
- Spinach/Lettuce: Shallow roots; utilise space without competition.
Avoid Planting With:
- Alliums (Onions/Garlic): Compete for nutrients.
- Potatoes: Risk of shared pests (e.g., asparagus beetle).
Benefits:
- Tall asparagus ferns provide light shade for cool season crops.
- Flowering companions boost biodiversity and pest control.
Troubleshooting
- Yellowing Ferns: Overwatering or nutrient deficiency.
- Thin Spears: Overharvesting or young plants; reduce harvest time.
- Poor Yield: Test soil pH; ensure adequate sun and nutrients.
Choosing the Right Variety
Peas are divided into two main types: bush peas and climbing peas.
Bush Peas:
- Compact plants that grow to about 1 m tall.
- Do not require trellising.
- Will benefits from light support from 1 m stakes
- Ideal for small gardens or containers.
- Lower yield per plant but easier to manage.
- Harvest period: Shorter harvest window.
Climbing Peas:
- Vining plants that can grow up to 2 metres tall.
- Require trellising or a support structure.
- Produce higher yields over a longer period.
- Extended harvest window.
Climate
- Peas thrive in cool to mild climates and are best grown in autumn, winter, and early spring in most parts of Australia.
Soil Preparation
PH:
- Peas prefer well-draining, fertile soil with a pH between 6.0 and 7.5.
Soil type:
- Loamy soil is ideal, but peas can grow in most soil types if well drained.
Amendments:
- Add compost or well-rotted manure to improve soil fertility.
Drainage:
- Ensure the soil is not waterlogged, as peas are prone to root rot.
Planting
Seed spacing:
- Sow seeds 20 cm apart and 1 cm deep.
Row spacing:
- Leave 20 cm between rows.
Support:
- Install trellises, stakes, or netting at planting time to avoid disturbing roots later.
Watering
- Keep the soil consistently moist but not waterlogged.
- Water deeply once or twice a week, depending on rainfall.
- Avoid overhead watering to prevent fungal diseases.
Fertilising
- Peas are light feeders and can fix their own nitrogen with the help of rhizobia bacteria in the soil.
- If needed, apply a balanced fertiliser at planting time.
- Avoid high nitrogen fertilisers, as they promote leafy growth at the expense of pods.
Pest and Disease Management
Common Pests
Aphids:
- Spray with a mild soap solution or introduce beneficial insects like ladybugs.
Pea moths:
- Use row covers to protect plants.
Snails and slugs:
- Handpick or use organic baits.
Common Diseases
Powdery mildew:
- Ensure good air circulation and avoid overhead watering.
Fusarium wilt:
- Rotate crops and avoid planting peas in the same spot for 3-4 years.
Harvesting
Snow peas:
Harvest when pods are flat, and seeds are just beginning to form.
Sugar snap peas:
- Harvest when pods are plump but still tender.
Shelling peas:
- Harvest when pods are fully rounded but before they become tough.
Regular harvesting encourages more production.
Companion Planting
Good Companions
Carrots:
- Peas provide shade for carrots, which prefer cooler soil.
Radishes:
- Help deter aphids and other pests.
Corn:
- Acts as a natural trellis for climbing peas.
Lettuce:
- Benefits from the nitrogen fixed by peas.
Cucumbers:
- Grow well alongside peas and share similar soil requirements.
Plants to Avoid
Onions and garlic:
- Can inhibit pea growth.
Potatoes:
- Compete for nutrients and may increase the risk of disease.
Tips for Success
- Rotate crops annually to prevent soilborne diseases.
- Mulch around plants to retain moisture and suppress weeds.
- Pick peas regularly to encourage continuous production.
I have not planted this yet.