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Asparagus like to be exposed to the sunshine and pack two to three twelvemonth to move over fully . Therefore , pair it with veggie , herbs , or blossom plants that like full sun exposure and can gain your asparagus in a way .
Asparagus has cryptical roots , so pair it with shallow - rooted plant life to cut back competition for nutrients in the soil . Good fellow traveler for Asparagus officinales include strawberries , love apple , prickly-seeded spinach , basil , parsley , comfrey , wampum , cilantro , dill , marigold , eggplants , thyme , nasturtium , pieplant , and horseradish .

11 Best Companion Plants for Asparagus
Asparagus are prone to damage by asparagus beetles , edible asparagus miners , and aphids . I commend twin them with plants that aid repel these pests for better yield .
Here are recommended companions for asparagus :
1. Tomato
Tomato plants release solanine , a chemical that ’s known to repel the asparagus beetle . On the other hand , edible asparagus deters roundworm that are bed to attack tomato plant .
set the tomatoes along the edges of your garden to prevent damaging the theme of your Asparagus officinales plants .
The tomato plant prefer full Lord’s Day and well - drained dirt with a pH of 6.2 to 6.8 . The idealistic spacing is 24 column inch apart on rows 3 metrical unit apart , then enforce lime and pre - plant fertiliser depending on the ground test recommendation .
2. Strawberries
Strawberries are excellent for covering the ground between the asparagus rows , leaving enough room to pucker in a row of strawberry mark with one - foot plant space .
Grow your strawberry in full sun with verbatim sunlight . habituate two pounds of fertilizer hold nitrogen , K , and phosphorus per ten feet of soil .
hemangioma simplex have shallow roots and develop best in well - drained sandy loam territory with a pH of 6.0 to 6.5 . Space the plant 12 to 18 inches asunder .
Water the strawberry plants on a regular basis , one to two inch of water per week if the rains are insufficient . take away the peak a few weeks after planting , then find fault the fruits afterwards that summertime .
3. Eggplants
Eggplants are good fellow traveler industrial plant for asparagus becausethey deter edible asparagus beetles .
Eggplants thrive well in affectionate term . Plant the eggplant seed one - fourth inch deep , then cater promising overhead spark for the seedlings . Water the plant with 1 to 2 inches per week for fantabulous return .
When the plants grow to about 5 in tall or after 8 to 10 weeks former , reduce watering .
4. Lettuce
Lettuce is a low - growing leafy green that can be grow between the edible asparagus as a ground screening because it mature tight and will not vie with the asparagus . Asparagus will also help oneself the pelf by providing shade with its leafage .
The lettuce plant is relatively cold tolerant , can develop up to 12 to 40 in gamey , and is harvested after one develop time of year .
blank the lettuce works 9 to 12 inches in a row , depending on the size of it of the works .
5. Spinach
Spinach grow well in between the asparagus plants . It matures speedily with shallow roots that will help inhibit weeds with its leaf .
It does well in well - drained , rich - in - organic affair soils and can tolerate partial spectre .
Plant the spinach plant seed in rows 1 to 3 infantry apart , spacing the seeds 2 inches aside . Water the plant in the dawning to leave the leaf to dry before dark , and apply the lime and pre - plant fertilizer following the dirt trial run passport .
6. Basil
The sweet basil plant will help oneself deter pests like asparagus beetle and tomato hornworms . Plant the basil along the edges of your asparagus patch , and if you take caution of it and its prime , the basil works will also appeal good insects .
Basil requires full exposure to the sun with a minimum of 6 to 8 hour of brilliant light per 24-hour interval . It will do well in well - enfeeble stain with a pH of 6.0 to 7.5 .
The amount of rain will determine how regularly you will irrigate the plant . When the rain is not labored , water intensely every 7 to 10 day to assure the antecedent get sufficient moisture .
quad basil in run-in 12 in between the plant life and 18 inch between the rows
7. Parsley
Parsley invites beneficial insects into the garden of your asparagus plants . For example , it hosts swallowtail butterfly crucial for pollenation . Parsley also has a strong scent that will facilitate deter undesirable insects and pest .
Petroselinum crispum grow best in rich organic matter and well - drained stain . fertilise the plant once or twice during the growing season using a commercial fertiliser and water deep at least once a week .
Spacing your parsley plants should be 10 to 12 inches asunder . Harvest the parsley plant life while they are still fresh until the seed stalk of the plant is send up and buy the farm , finish its life cycle .
8. Marigold
you’re able to pair Asparagus officinales with marigolds to deter aphids , nematode , whiteflies , and asparagus beetles .
Marigolds are warm - time of year annuals with brilliant , long - lasting blooms that require full sun and well - drained loamy soil to thrive .
The idealistic spacing for the flora depends on the mature size of the cultivar — quad the French marigold 8 to 10 inch apart and the African marigold 12 to 16 inches aside .
9. Dill
The dill flora has great , umbrella - comparable , lily-livered flower clusters that pull in pollinator and other good worm . It also has shallow root and thus can be implant around the bed ’s circumference or between the Asparagus officinales rows .
Dill is a very easy - to - acquire herbaceous plant that thrives in full sun and favor fat , well - enfeeble stain .
works seed up to 1 column inch rich and 12 to 15 inch apart . When applying fertilizer , use a 20 - 20 - 20 - 20 formula once in tardy spring .
10. Comfrey
Comfrey plant protect the Asparagus officinales flora against infestation of fungal diseases and rusting problem . They also increase fertilization by naturally attracting pollinator to the garden and drawing in beneficial parasitic wasps .
Comfrey is a unfearing perennial that grows from about 3 to 4 feet high with leaves 5 inches wide and 12 inch long .
Grow healing herb plant life in full sun or fond shade when the climate is live . This flora prefers moist , fertile grease but can adjust to many soils . When the comfrey plant is young , water it systematically , then bring down as it grow older as it will become more drouth tolerant .
11. Cilantro
The flowers of cilantro plants attract good insect to the Asparagus officinales garden . In addition , the plant life has shallow base and thus can be grow between the edible asparagus rows .
The cilantro works is a cool - season plant that like swooning , well - run out , fertile loam sandlike dirt . However , it can tolerate various soils as long as you’re able to monitor the wet and nutrient level .
Space the works 2 inches apart in rows 12 to 15 in aside if you want to harvest the leaves . If you ’re going to glean the seeds , grade the plants 8 inches apart in rowing 15 column inch apart .
Bad Companion Plants for Asparagus
Some works , peculiarly plants that have rich roots , should not be paired with asparagus . These plants admit alliums , carrots , and Solanum tuberosum .
Alliums
genus Allium are member of the onion mob that take a lot of time to grow and absorb a lot of water and nutrients . They can pose serious competition for food and make your edible asparagus grow ill .
Avoid planting Allium sativum , onions , leeks , chives , or other onion phratry plants near the asparagus plants .
Carrots
Carrots have longsighted taproot too , which can compete with the asparagus ancestor if grown too faithful . Also , carrot do not get well with some of the asparagus fellow works like Anethum graveolens .
Potatoes
Potatoes also grow deep in the soil , just like asparagus , making them compete for nutrient and water , thus damage the asparagus root organisation .
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